/* * tkWinWm.c -- * * This module takes care of the interactions between a Tk-based * application and the window manager. Among other things, it * implements the "wm" command and passes geometry information * to the window manager. * * Copyright (c) 1995-1997 Sun Microsystems, Inc. * Copyright (c) 1998-2000 by Scriptics Corporation. * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * * RCS: @(#) $Id: tkWinWm.c,v 1.52 2002/08/08 22:32:12 jenglish Exp $ */ #include "tkWinInt.h" #include /* * Event structure for synthetic activation events. These events are * placed on the event queue whenever a toplevel gets a WM_MOUSEACTIVATE * message. */ typedef struct ActivateEvent { Tcl_Event ev; TkWindow *winPtr; } ActivateEvent; /* * A data structure of the following type holds information for * each window manager protocol (such as WM_DELETE_WINDOW) for * which a handler (i.e. a Tcl command) has been defined for a * particular top-level window. */ typedef struct ProtocolHandler { Atom protocol; /* Identifies the protocol. */ struct ProtocolHandler *nextPtr; /* Next in list of protocol handlers for * the same top-level window, or NULL for * end of list. */ Tcl_Interp *interp; /* Interpreter in which to invoke command. */ char command[4]; /* Tcl command to invoke when a client * message for this protocol arrives. * The actual size of the structure varies * to accommodate the needs of the actual * command. THIS MUST BE THE LAST FIELD OF * THE STRUCTURE. */ } ProtocolHandler; #define HANDLER_SIZE(cmdLength) \ ((unsigned) (sizeof(ProtocolHandler) - 3 + cmdLength)) /* * Helper type passed via lParam to TkWmStackorderToplevelEnumProc */ typedef struct TkWmStackorderToplevelPair { Tcl_HashTable *table; TkWindow **window_ptr; } TkWmStackorderToplevelPair; /* * This structure represents the contents of a icon, in terms of its * image. The HICON is an internal Windows format. Most of these * icon-specific-structures originated with the Winico extension. * We stripped out unused parts of that code, and integrated the * code more naturally with Tcl. */ typedef struct { UINT Width, Height, Colors; /* Width, Height and bpp */ LPBYTE lpBits; /* ptr to DIB bits */ DWORD dwNumBytes; /* how many bytes? */ LPBITMAPINFO lpbi; /* ptr to header */ LPBYTE lpXOR; /* ptr to XOR image bits */ LPBYTE lpAND; /* ptr to AND image bits */ HICON hIcon; /* DAS ICON */ } ICONIMAGE, *LPICONIMAGE; /* * This structure is how we represent a block of the above * items. We will reallocate these structures according to * how many images they need to contain. */ typedef struct { int nNumImages; /* How many images? */ ICONIMAGE IconImages[1]; /* Image entries */ } BlockOfIconImages, *BlockOfIconImagesPtr; /* * These two structures are used to read in icons from an * 'icon directory' (i.e. the contents of a .icr file, say). * We only use these structures temporarily, since we copy * the information we want into a BlockOfIconImages. */ typedef struct { BYTE bWidth; /* Width of the image */ BYTE bHeight; /* Height of the image (times 2) */ BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */ BYTE bReserved; /* Reserved */ WORD wPlanes; /* Color Planes */ WORD wBitCount; /* Bits per pixel */ DWORD dwBytesInRes; /* how many bytes in this resource? */ DWORD dwImageOffset; /* where in the file is this image */ } ICONDIRENTRY, *LPICONDIRENTRY; typedef struct { WORD idReserved; /* Reserved */ WORD idType; /* resource type (1 for icons) */ WORD idCount; /* how many images? */ ICONDIRENTRY idEntries[1]; /* the entries for each image */ } ICONDIR, *LPICONDIR; /* * A pointer to one of these strucutures is associated with each * toplevel. This allows us to free up all memory associated with icon * resources when a window is deleted or if the window's icon is * changed. They are simply reference counted according to: * * (i) how many WmInfo structures point to this object * (ii) whether the ThreadSpecificData defined in this file contains * a pointer to this object. * * The former count is for windows whose icons are individually * set, and the latter is for the global default icon choice. * * Icons loaded from .icr/.icr use the iconBlock field, icons * loaded from .exe/.dll use the hIcon field. */ typedef struct WinIconInstance { int refCount; /* Number of instances that share this * data structure. */ BlockOfIconImagesPtr iconBlock; /* Pointer to icon resource data for * image. */ } WinIconInstance; typedef struct WinIconInstance *WinIconPtr; /* * A data structure of the following type holds window-manager-related * information for each top-level window in an application. */ typedef struct TkWmInfo { TkWindow *winPtr; /* Pointer to main Tk information for * this window. */ HWND wrapper; /* This is the decorative frame window * created by the window manager to wrap * a toplevel window. This window is * a direct child of the root window. */ char *title; /* Title to display in window caption. If * NULL, use name of widget. Malloced. */ char *iconName; /* Name to display in icon. Malloced. */ XWMHints hints; /* Various pieces of information for * window manager. */ char *leaderName; /* Path name of leader of window group * (corresponds to hints.window_group). * Malloc-ed. Note: this field doesn't * get updated if leader is destroyed. */ TkWindow *masterPtr; /* Master window for TRANSIENT_FOR property, * or NULL. */ Tk_Window icon; /* Window to use as icon for this window, * or NULL. */ Tk_Window iconFor; /* Window for which this window is icon, or * NULL if this isn't an icon for anyone. */ /* * Information used to construct an XSizeHints structure for * the window manager: */ int defMinWidth, defMinHeight, defMaxWidth, defMaxHeight; /* Default resize limits given by system. */ int sizeHintsFlags; /* Flags word for XSizeHints structure. * If the PBaseSize flag is set then the * window is gridded; otherwise it isn't * gridded. */ int minWidth, minHeight; /* Minimum dimensions of window, in * grid units, not pixels. */ int maxWidth, maxHeight; /* Maximum dimensions of window, in * grid units, not pixels, or 0 to default. */ Tk_Window gridWin; /* Identifies the window that controls * gridding for this top-level, or NULL if * the top-level isn't currently gridded. */ int widthInc, heightInc; /* Increments for size changes (# pixels * per step). */ struct { int x; /* numerator */ int y; /* denominator */ } minAspect, maxAspect; /* Min/max aspect ratios for window. */ int reqGridWidth, reqGridHeight; /* The dimensions of the window (in * grid units) requested through * the geometry manager. */ int gravity; /* Desired window gravity. */ /* * Information used to manage the size and location of a window. */ int width, height; /* Desired dimensions of window, specified * in grid units. These values are * set by the "wm geometry" command and by * ConfigureNotify events (for when wm * resizes window). -1 means user hasn't * requested dimensions. */ int x, y; /* Desired X and Y coordinates for window. * These values are set by "wm geometry", * plus by ConfigureNotify events (when wm * moves window). These numbers are * different than the numbers stored in * winPtr->changes because (a) they could be * measured from the right or bottom edge * of the screen (see WM_NEGATIVE_X and * WM_NEGATIVE_Y flags) and (b) if the window * has been reparented then they refer to the * parent rather than the window itself. */ int borderWidth, borderHeight; /* Width and height of window dressing, in * pixels for the current style/exStyle. This * includes the border on both sides of the * window. */ int configWidth, configHeight; /* Dimensions passed to last request that we * issued to change geometry of window. Used * to eliminate redundant resize operations. */ HMENU hMenu; /* the hMenu associated with this menu */ DWORD style, exStyle; /* Style flags for the wrapper window. */ LONG styleConfig; /* Extra user requested style bits */ LONG exStyleConfig; /* Extra user requested extended style bits */ /* * List of children of the toplevel which have private colormaps. */ TkWindow **cmapList; /* Array of window with private colormaps. */ int cmapCount; /* Number of windows in array. */ /* * Miscellaneous information. */ ProtocolHandler *protPtr; /* First in list of protocol handlers for * this window (NULL means none). */ int cmdArgc; /* Number of elements in cmdArgv below. */ CONST char **cmdArgv; /* Array of strings to store in the * WM_COMMAND property. NULL means nothing * available. */ char *clientMachine; /* String to store in WM_CLIENT_MACHINE * property, or NULL. */ int flags; /* Miscellaneous flags, defined below. */ int numTransients; /* number of transients on this window */ WinIconPtr iconPtr; /* pointer to titlebar icon structure for * this window, or NULL. */ struct TkWmInfo *nextPtr; /* Next in list of all top-level windows. */ } WmInfo; /* * Flag values for WmInfo structures: * * WM_NEVER_MAPPED - non-zero means window has never been * mapped; need to update all info when * window is first mapped. * WM_UPDATE_PENDING - non-zero means a call to UpdateGeometryInfo * has already been scheduled for this * window; no need to schedule another one. * WM_NEGATIVE_X - non-zero means x-coordinate is measured in * pixels from right edge of screen, rather * than from left edge. * WM_NEGATIVE_Y - non-zero means y-coordinate is measured in * pixels up from bottom of screen, rather than * down from top. * WM_UPDATE_SIZE_HINTS - non-zero means that new size hints need to be * propagated to window manager. Not used on Win. * WM_SYNC_PENDING - set to non-zero while waiting for the window * manager to respond to some state change. * WM_MOVE_PENDING - non-zero means the application has requested * a new position for the window, but it hasn't * been reflected through the window manager * yet. * WM_COLORMAPS_EXPLICIT - non-zero means the colormap windows were * set explicitly via "wm colormapwindows". * WM_ADDED_TOPLEVEL_COLORMAP - non-zero means that when "wm colormapwindows" * was called the top-level itself wasn't * specified, so we added it implicitly at * the end of the list. * WM_WIDTH_NOT_RESIZABLE - non-zero means that we're not supposed to * allow the user to change the width of the * window (controlled by "wm resizable" * command). * WM_HEIGHT_NOT_RESIZABLE - non-zero means that we're not supposed to * allow the user to change the height of the * window (controlled by "wm resizable" * command). * WM_TRANSIENT_WITHDRAWN - non-zero means that this is a transient window * that has explicitly been withdrawn. It should * not mirror state changes in the master. */ #define WM_NEVER_MAPPED (1<<0) #define WM_UPDATE_PENDING (1<<1) #define WM_NEGATIVE_X (1<<2) #define WM_NEGATIVE_Y (1<<3) #define WM_UPDATE_SIZE_HINTS (1<<4) #define WM_SYNC_PENDING (1<<5) #define WM_CREATE_PENDING (1<<6) #define WM_MOVE_PENDING (1<<7) #define WM_COLORMAPS_EXPLICIT (1<<8) #define WM_ADDED_TOPLEVEL_COLORMAP (1<<9) #define WM_WIDTH_NOT_RESIZABLE (1<<10) #define WM_HEIGHT_NOT_RESIZABLE (1<<11) #define WM_TRANSIENT_WITHDRAWN (1<<12) /* * Window styles for various types of toplevel windows. */ #define WM_OVERRIDE_STYLE (WS_POPUP|WS_CLIPCHILDREN|CS_DBLCLKS) #define EX_OVERRIDE_STYLE (WS_EX_TOOLWINDOW) #define WM_TOPLEVEL_STYLE (WS_OVERLAPPEDWINDOW|WS_CLIPCHILDREN|CS_DBLCLKS) #define EX_TOPLEVEL_STYLE (0) #define WM_TRANSIENT_STYLE \ (WS_POPUP|WS_CAPTION|WS_SYSMENU|WS_CLIPSIBLINGS|CS_DBLCLKS) #define EX_TRANSIENT_STYLE (WS_EX_DLGMODALFRAME) /* * The following structure is the official type record for geometry * management of top-level windows. */ static void TopLevelReqProc(ClientData dummy, Tk_Window tkwin); static Tk_GeomMgr wmMgrType = { "wm", /* name */ TopLevelReqProc, /* requestProc */ (Tk_GeomLostSlaveProc *) NULL, /* lostSlaveProc */ }; typedef struct ThreadSpecificData { HPALETTE systemPalette; /* System palette; refers to the * currently installed foreground logical * palette. */ TkWindow *createWindow; /* Window that is being constructed. This * value is set immediately before a * call to CreateWindowEx, and is used * by SetLimits. This is a gross hack * needed to work around Windows brain * damage where it sends the * WM_GETMINMAXINFO message before the * WM_CREATE window. */ int initialized; /* Flag indicating whether thread- * specific elements of module have * been initialized. */ int firstWindow; /* Flag, cleared when the first window * is mapped in a non-iconic state. */ WinIconPtr iconPtr; /* IconPtr being used as default for all * toplevels, or NULL. */ } ThreadSpecificData; static Tcl_ThreadDataKey dataKey; /* * The following variables cannot be placed in thread local storage * because they must be shared across threads. */ static int initialized; /* Flag indicating whether module has * been initialized. */ /* * A pointer to a shell proc which allows us to extract icons from * any file. We just initialize this when we start up (if we can) * and then it never changes */ DWORD* (WINAPI *shgetfileinfoProc) (LPCTSTR pszPath, DWORD dwFileAttributes, SHFILEINFO* psfi, UINT cbFileInfo, UINT uFlags) = NULL; TCL_DECLARE_MUTEX(winWmMutex) /* * Forward declarations for procedures defined in this file: */ static int ActivateWindow _ANSI_ARGS_((Tcl_Event *evPtr, int flags)); static void ConfigureTopLevel _ANSI_ARGS_((WINDOWPOS *pos)); static void GenerateConfigureNotify _ANSI_ARGS_(( TkWindow *winPtr)); static void GetMaxSize _ANSI_ARGS_((WmInfo *wmPtr, int *maxWidthPtr, int *maxHeightPtr)); static void GetMinSize _ANSI_ARGS_((WmInfo *wmPtr, int *minWidthPtr, int *minHeightPtr)); static TkWindow * GetTopLevel _ANSI_ARGS_((HWND hwnd)); static void InitWm _ANSI_ARGS_((void)); static int InstallColormaps _ANSI_ARGS_((HWND hwnd, int message, int isForemost)); static void InvalidateSubTree _ANSI_ARGS_((TkWindow *winPtr, Colormap colormap)); static int ParseGeometry _ANSI_ARGS_((Tcl_Interp *interp, char *string, TkWindow *winPtr)); static void RefreshColormap _ANSI_ARGS_((Colormap colormap, TkDisplay *dispPtr)); static void SetLimits _ANSI_ARGS_((HWND hwnd, MINMAXINFO *info)); static void TkWmStackorderToplevelWrapperMap _ANSI_ARGS_(( TkWindow *winPtr, Tcl_HashTable *table)); static LRESULT CALLBACK TopLevelProc _ANSI_ARGS_((HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)); static void TopLevelEventProc _ANSI_ARGS_((ClientData clientData, XEvent *eventPtr)); static void TopLevelReqProc _ANSI_ARGS_((ClientData dummy, Tk_Window tkwin)); static void UpdateGeometryInfo _ANSI_ARGS_(( ClientData clientData)); static void UpdateWrapper _ANSI_ARGS_((TkWindow *winPtr)); static LRESULT CALLBACK WmProc _ANSI_ARGS_((HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)); static void WmWaitVisibilityOrMapProc _ANSI_ARGS_(( ClientData clientData, XEvent *eventPtr)); static BlockOfIconImagesPtr ReadIconOrCursorFromFile _ANSI_ARGS_(( Tcl_Interp *interp, Tcl_Obj* fileName, BOOL isIcon)); static WinIconPtr ReadIconFromFile _ANSI_ARGS_(( Tcl_Interp *interp, Tcl_Obj *fileName)); static WinIconPtr GetIconFromPixmap _ANSI_ARGS_((Display *dsPtr, Pixmap pixmap)); static int ReadICOHeader _ANSI_ARGS_((Tcl_Channel channel)); static BOOL AdjustIconImagePointers _ANSI_ARGS_((LPICONIMAGE lpImage)); static HICON MakeIconOrCursorFromResource _ANSI_ARGS_((LPICONIMAGE lpIcon, BOOL isIcon)); static HICON GetIcon _ANSI_ARGS_((WinIconPtr titlebaricon, int icon_size)); static int WinSetIcon _ANSI_ARGS_((Tcl_Interp *interp, WinIconPtr titlebaricon, Tk_Window tkw)); static void FreeIconBlock _ANSI_ARGS_((BlockOfIconImagesPtr lpIR)); static void DecrIconRefCount _ANSI_ARGS_((WinIconPtr titlebaricon)); static int WmAspectCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmAttributesCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmClientCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmColormapwindowsCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmCommandCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmDeiconifyCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmFocusmodelCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmFrameCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmGeometryCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmGridCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmGroupCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconbitmapCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconifyCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconmaskCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconnameCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconpositionCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconwindowCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmMaxsizeCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmMinsizeCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmOverrideredirectCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmPositionfromCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmProtocolCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmResizableCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmSizefromCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmStackorderCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmStateCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmTitleCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmTransientCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmWithdrawCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static void WmUpdateGeom _ANSI_ARGS_((WmInfo *wmPtr, TkWindow *winPtr)); /* Used in BytesPerLine */ #define WIDTHBYTES(bits) ((((bits) + 31)>>5)<<2) /* *---------------------------------------------------------------------- * * DIBNumColors -- * * Calculates the number of entries in the color table, given by * LPSTR lpbi - pointer to the CF_DIB memory block. Used by * titlebar icon code. * * Results: * * WORD - Number of entries in the color table. * * Side effects: None. * * *---------------------------------------------------------------------- */ static WORD DIBNumColors( LPSTR lpbi ) { WORD wBitCount; DWORD dwClrUsed; dwClrUsed = ((LPBITMAPINFOHEADER) lpbi)->biClrUsed; if (dwClrUsed) return (WORD) dwClrUsed; wBitCount = ((LPBITMAPINFOHEADER) lpbi)->biBitCount; switch (wBitCount) { case 1: return 2; case 4: return 16; case 8: return 256; default:return 0; } } /* *---------------------------------------------------------------------- * * PaletteSize -- * * Calculates the number of bytes in the color table, as given by * LPSTR lpbi - pointer to the CF_DIB memory block. Used by * titlebar icon code. * * Results: * number of bytes in the color table * * Side effects: None. * * *---------------------------------------------------------------------- */ static WORD PaletteSize( LPSTR lpbi ) { return ((WORD)( DIBNumColors( lpbi ) * sizeof( RGBQUAD )) ); } /* *---------------------------------------------------------------------- * * FindDIBits -- * * Locate the image bits in a CF_DIB format DIB, as given by * LPSTR lpbi - pointer to the CF_DIB memory block. Used by * titlebar icon code. * * Results: * pointer to the image bits * * Side effects: None * * *---------------------------------------------------------------------- */ static LPSTR FindDIBBits( LPSTR lpbi ) { return ( lpbi + *(LPDWORD)lpbi + PaletteSize( lpbi ) ); } /* *---------------------------------------------------------------------- * * BytesPerLine -- * * Calculates the number of bytes in one scan line, as given by * LPBITMAPINFOHEADER lpBMIH - pointer to the BITMAPINFOHEADER * that begins the CF_DIB block. Used by titlebar icon code. * * Results: * number of bytes in one scan line (DWORD aligned) * * Side effects: None * * *---------------------------------------------------------------------- */ static DWORD BytesPerLine( LPBITMAPINFOHEADER lpBMIH ) { return WIDTHBYTES(lpBMIH->biWidth * lpBMIH->biPlanes * lpBMIH->biBitCount); } /* *---------------------------------------------------------------------- * * AdjustIconImagePointers -- * * Adjusts internal pointers in icon resource struct, as given * by LPICONIMAGE lpImage - the resource to handle. Used by * titlebar icon code. * * Results: * BOOL - TRUE for success, FALSE for failure * * Side effects: * * *---------------------------------------------------------------------- */ static BOOL AdjustIconImagePointers( LPICONIMAGE lpImage ) { /* Sanity check */ if (lpImage==NULL) return FALSE; /* BITMAPINFO is at beginning of bits */ lpImage->lpbi = (LPBITMAPINFO)lpImage->lpBits; /* Width - simple enough */ lpImage->Width = lpImage->lpbi->bmiHeader.biWidth; /* * Icons are stored in funky format where height is doubled * so account for that */ lpImage->Height = (lpImage->lpbi->bmiHeader.biHeight)/2; /* How many colors? */ lpImage->Colors = lpImage->lpbi->bmiHeader.biPlanes * lpImage->lpbi->bmiHeader.biBitCount; /* XOR bits follow the header and color table */ lpImage->lpXOR = (LPBYTE)FindDIBBits(((LPSTR)lpImage->lpbi)); /* AND bits follow the XOR bits */ lpImage->lpAND = lpImage->lpXOR + (lpImage->Height* BytesPerLine((LPBITMAPINFOHEADER)(lpImage->lpbi))); return TRUE; } /* *---------------------------------------------------------------------- * * MakeIconOrCursorFromResource -- * * Construct an actual HICON structure from the information * in a resource. * * Results: * * * Side effects: * * *---------------------------------------------------------------------- */ static HICON MakeIconOrCursorFromResource(LPICONIMAGE lpIcon, BOOL isIcon) { HICON hIcon ; static FARPROC pfnCreateIconFromResourceEx=NULL; static int initinfo=0; /* Sanity Check */ if (lpIcon == NULL) return NULL; if (lpIcon->lpBits == NULL) return NULL; if (!initinfo) { HMODULE hMod = GetModuleHandleA("USER32.DLL"); initinfo=1; if (hMod){ pfnCreateIconFromResourceEx = GetProcAddress(hMod, "CreateIconFromResourceEx"); } } /* Let the OS do the real work :) */ if (pfnCreateIconFromResourceEx!=NULL) { hIcon = (HICON) (pfnCreateIconFromResourceEx) (lpIcon->lpBits, lpIcon->dwNumBytes, isIcon, 0x00030000, (*(LPBITMAPINFOHEADER)(lpIcon->lpBits)).biWidth, (*(LPBITMAPINFOHEADER)(lpIcon->lpBits)).biHeight/2, 0); } else { hIcon = NULL; } /* It failed, odds are good we're on NT so try the non-Ex way */ if (hIcon == NULL) { /* We would break on NT if we try with a 16bpp image */ if (lpIcon->lpbi->bmiHeader.biBitCount != 16) { hIcon = CreateIconFromResource(lpIcon->lpBits, lpIcon->dwNumBytes, isIcon, 0x00030000); } } return hIcon; } /* *---------------------------------------------------------------------- * * ReadICOHeader -- * * Reads the header from an ICO file, as specfied by channel. * * Results: * UINT - Number of images in file, -1 for failure. * If this succeeds, there is a decent chance this is a * valid icon file. * * Side effects: * * *---------------------------------------------------------------------- */ static int ReadICOHeader( Tcl_Channel channel ) { WORD Input; DWORD dwBytesRead; /* Read the 'reserved' WORD */ dwBytesRead = Tcl_Read( channel, (char*)&Input, sizeof( WORD )); /* Did we get a WORD? */ if (dwBytesRead != sizeof( WORD )) return -1; /* Was it 'reserved' ? (ie 0) */ if (Input != 0) return -1; /* Read the type WORD */ dwBytesRead = Tcl_Read( channel, (char*)&Input, sizeof( WORD )); /* Did we get a WORD? */ if (dwBytesRead != sizeof( WORD )) return -1; /* Was it type 1? */ if (Input != 1) return -1; /* Get the count of images */ dwBytesRead = Tcl_Read( channel, (char*)&Input, sizeof( WORD )); /* Did we get a WORD? */ if (dwBytesRead != sizeof( WORD )) return -1; /* Return the count */ return (int)Input; } /* *---------------------------------------------------------------------- * * InitWindowClass -- * * This routine creates the Wm toplevel decorative frame class. * * Results: * None. * * Side effects: * Registers a new window class. * *---------------------------------------------------------------------- */ static int InitWindowClass(WinIconPtr titlebaricon) { ThreadSpecificData *tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (! tsdPtr->initialized) { tsdPtr->initialized = 1; tsdPtr->firstWindow = 1; tsdPtr->iconPtr = NULL; } if (! initialized) { Tcl_MutexLock(&winWmMutex); if (! initialized) { Tcl_DString classString; WNDCLASS class; initialized = 1; if (shgetfileinfoProc == NULL) { HINSTANCE hInstance = LoadLibraryA("shell32"); if (hInstance != NULL) { shgetfileinfoProc = (DWORD* (WINAPI *) (LPCTSTR pszPath, DWORD dwFileAttributes, SHFILEINFO* psfi, UINT cbFileInfo, UINT uFlags)) GetProcAddress(hInstance, "SHGetFileInfo"); FreeLibrary(hInstance); } } /* * The only difference between WNDCLASSW and WNDCLASSA are * in pointers, so we can use the generic structure WNDCLASS. */ ZeroMemory(&class, sizeof(WNDCLASS)); /* * When threads are enabled, we cannot use CLASSDC because * threads will then write into the same device context. * * This is a hack; we should add a subsystem that manages * device context on a per-thread basis. See also tkWinX.c, * which also initializes a WNDCLASS structure. */ #ifdef TCL_THREADS class.style = CS_HREDRAW | CS_VREDRAW; #else class.style = CS_HREDRAW | CS_VREDRAW | CS_CLASSDC; #endif class.hInstance = Tk_GetHINSTANCE(); Tcl_WinUtfToTChar(TK_WIN_TOPLEVEL_CLASS_NAME, -1, &classString); class.lpszClassName = (LPCTSTR) Tcl_DStringValue(&classString); class.lpfnWndProc = WmProc; if (titlebaricon == NULL) { class.hIcon = LoadIcon(Tk_GetHINSTANCE(), "tk"); } else { class.hIcon = GetIcon(titlebaricon, ICON_BIG); if (class.hIcon == NULL) { return TCL_ERROR; } /* * Store pointer to default icon so we know when * we need to free that information */ tsdPtr->iconPtr = titlebaricon; } class.hCursor = LoadCursor(NULL, IDC_ARROW); if (!(*tkWinProcs->registerClass)(&class)) { panic("Unable to register TkTopLevel class"); } Tcl_DStringFree(&classString); } Tcl_MutexUnlock(&winWmMutex); } return TCL_OK; } /* *---------------------------------------------------------------------- * * InitWm -- * * This initialises the window manager * * Results: * None. * * Side effects: * Registers a new window class. * *---------------------------------------------------------------------- */ static void InitWm(void) { /* Ignore return result */ (void) InitWindowClass(NULL); } /* *---------------------------------------------------------------------- * * WinSetIcon -- * * Sets either the default toplevel titlebar icon, or the icon * for a specific toplevel (if tkw is given, then only that * window is used). * * The ref-count of the titlebaricon is NOT changed. If this * function returns successfully, the caller should assume * the icon was used (and therefore the ref-count should * be adjusted to reflect that fact). If the function returned * an error, the caller should assume the icon was not used * (and may wish to free the memory associated with it). * * Results: * A standard Tcl return code. * * Side effects: * One or all windows may have their icon changed. * The Tcl result may be modified. * The window-manager will be initialised if it wasn't already. * The given window will be forced into existence. * *---------------------------------------------------------------------- */ static int WinSetIcon(interp, titlebaricon, tkw) Tcl_Interp *interp; WinIconPtr titlebaricon; Tk_Window tkw; { WmInfo *wmPtr; HWND hwnd; int application = 0; if (tkw == NULL) { tkw = Tk_MainWindow(interp); application = 1; } if (!(Tk_IsTopLevel(tkw))) { Tcl_AppendResult(interp, "window \"", Tk_PathName(tkw), "\" isn't a top-level window", (char *) NULL); return TCL_ERROR; } if (Tk_WindowId(tkw) == None) { Tk_MakeWindowExist(tkw); } /* We must get the window's wrapper, not the window itself */ wmPtr = ((TkWindow*)tkw)->wmInfoPtr; hwnd = wmPtr->wrapper; if (application) { if (hwnd == NULL) { /* * I don't actually think this is ever the correct thing, unless * perhaps the window doesn't have a wrapper. But I believe all * windows have wrappers. */ hwnd = Tk_GetHWND(Tk_WindowId(tkw)); } /* * If we aren't initialised, then just initialise with the user's * icon. Otherwise our icon choice will be ignored moments later * when Tk finishes initialising. */ if (!initialized) { if (InitWindowClass(titlebaricon) != TCL_OK) { Tcl_AppendResult(interp,"Unable to set icon", (char*)NULL); return TCL_ERROR; } } else { ThreadSpecificData *tsdPtr; if ( #ifdef _WIN64 !SetClassLongPtr(hwnd, GCLP_HICONSM, (LPARAM)GetIcon(titlebaricon, ICON_SMALL)) #else !SetClassLong(hwnd, GCL_HICONSM, (LPARAM)GetIcon(titlebaricon, ICON_SMALL)) #endif ) { /* * For some reason this triggers, even though it seems * to be successful This is probably related to the * WNDCLASS vs WNDCLASSEX difference. Anyway it seems * we have to ignore errors returned here. */ /* * Tcl_AppendResult(interp,"Unable to set new small icon", (char*)NULL); * return TCL_ERROR; */ } if ( #ifdef _WIN64 !SetClassLongPtr(hwnd, GCLP_HICON, (LPARAM)GetIcon(titlebaricon, ICON_BIG)) #else !SetClassLong(hwnd, GCL_HICON, (LPARAM)GetIcon(titlebaricon, ICON_BIG)) #endif ) { Tcl_AppendResult(interp,"Unable to set new icon", (char*)NULL); return TCL_ERROR; } tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (tsdPtr->iconPtr != NULL) { DecrIconRefCount(tsdPtr->iconPtr); } tsdPtr->iconPtr = titlebaricon; } } else { if (!initialized) { /* * Need to initialise the wm otherwise we will fail on * code which tries to set a toplevel's icon before that * happens. Ignore return result. */ (void)InitWindowClass(NULL); } /* * The following code is exercised if you do * * toplevel .t ; wm titlebaricon .t foo.icr * * i.e. the wm hasn't had time to properly create * the '.t' window before you set the icon. */ if (hwnd == NULL) { /* * This little snippet is copied from the 'Map' function, * and should probably be placed in one proper location */ UpdateWrapper(wmPtr->winPtr); wmPtr = ((TkWindow*)tkw)->wmInfoPtr; hwnd = wmPtr->wrapper; if (hwnd == NULL) { Tcl_AppendResult(interp, "Can't set icon; window has no wrapper.", (char*)NULL); return TCL_ERROR; } } SendMessage(hwnd, WM_SETICON, ICON_SMALL, (LPARAM) GetIcon(titlebaricon, ICON_SMALL)); SendMessage(hwnd, WM_SETICON, ICON_BIG, (LPARAM) GetIcon(titlebaricon, ICON_BIG)); /* Update the iconPtr we keep for each WmInfo structure. */ if (wmPtr->iconPtr != NULL) { /* Free any old icon ptr which is associated with this window. */ DecrIconRefCount(wmPtr->iconPtr); } /* * We do not need to increment the ref count for the * titlebaricon, because it was already incremented when we * retrieved it. */ wmPtr->iconPtr = titlebaricon; } return TCL_OK; } /* *---------------------------------------------------------------------- * * ReadIconFromFile -- * * Read the contents of a file (usually .ico, .icr) and extract an * icon resource, if possible, otherwise check if the shell has an * icon assigned to the given file and use that. If both of those * fail, then NULL is returned, and an error message will already be * in the interpreter. * * Results: * A WinIconPtr structure containing the icons in the file, with * its ref count already incremented. The calling procedure should * either place this structure inside a WmInfo structure, or it should * pass it on to DecrIconRefCount() to ensure no memory leaks occur. * * If the given fileName did not contain a valid icon structure, * return NULL. * * Side effects: * Memory is allocated for the returned structure and the icons * it contains. If the structure is not wanted, it should be * passed to DecrIconRefCount, and in any case a valid ref count * should be ensured to avoid memory leaks. * * Currently icon resources are not shared, so the ref count of * one of these structures will always be 0 or 1. However all we * need do is implement some sort of lookup function between * filenames and WinIconPtr structures and no other code will need * to be changed. The pseudo-code for this is implemented below * in the 'if (0)' branch. It did not seem necessary to implement * this optimisation here, since moving to icon<->image * conversions will probably make it obsolete. * *---------------------------------------------------------------------- */ static WinIconPtr ReadIconFromFile(interp, fileName) Tcl_Interp *interp; Tcl_Obj *fileName; { WinIconPtr titlebaricon = NULL; if (0 /* If we already have an icon for this filename */) { titlebaricon = NULL; /* Get the real value from a lookup */ titlebaricon->refCount++; return titlebaricon; } else { /* First check if it is a .ico file */ BlockOfIconImagesPtr lpIR; lpIR = ReadIconOrCursorFromFile(interp, fileName, TRUE); /* Then see if we can ask the shell for the icon for this file */ if (lpIR == NULL && shgetfileinfoProc != NULL) { SHFILEINFO sfi; Tcl_DString ds, ds2; DWORD *res; CONST char *file; file = Tcl_TranslateFileName(interp, Tcl_GetString(fileName), &ds); if (file == NULL) { return NULL; } Tcl_UtfToExternalDString(NULL, file, -1, &ds2); Tcl_DStringFree(&ds); res = (*shgetfileinfoProc)(Tcl_DStringValue(&ds2), 0, &sfi, sizeof(SHFILEINFO), SHGFI_SMALLICON|SHGFI_ICON); Tcl_DStringFree(&ds2); if (res != 0) { Tcl_ResetResult(interp); lpIR = (BlockOfIconImagesPtr) ckalloc(sizeof(BlockOfIconImages)); if (lpIR == NULL) { DestroyIcon(sfi.hIcon); return NULL; } lpIR->nNumImages = 1; lpIR->IconImages[0].Width = 16; lpIR->IconImages[0].Height = 16; lpIR->IconImages[0].Colors = 4; lpIR->IconImages[0].hIcon = sfi.hIcon; /* These fields are ignored */ lpIR->IconImages[0].lpBits = 0; lpIR->IconImages[0].dwNumBytes = 0; lpIR->IconImages[0].lpXOR = 0; lpIR->IconImages[0].lpAND = 0; } } if (lpIR != NULL) { titlebaricon = (WinIconPtr) ckalloc(sizeof(WinIconInstance)); titlebaricon->iconBlock = lpIR; titlebaricon->refCount = 1; } return titlebaricon; } } /* *---------------------------------------------------------------------- * * GetIconFromPixmap -- * * Turn a Tk Pixmap (i.e. a bitmap) into an icon resource, if * possible, otherwise NULL is returned. * * Results: * A WinIconPtr structure containing a conversion of the given * bitmap into an icon, with its ref count already incremented. The * calling procedure should either place this structure inside a * WmInfo structure, or it should pass it on to DecrIconRefCount() * to ensure no memory leaks occur. * * If the given pixmap did not contain a valid icon structure, * return NULL. * * Side effects: * Memory is allocated for the returned structure and the icons * it contains. If the structure is not wanted, it should be * passed to DecrIconRefCount, and in any case a valid ref count * should be ensured to avoid memory leaks. * * Currently icon resources are not shared, so the ref count of * one of these structures will always be 0 or 1. However all we * need do is implement some sort of lookup function between * pixmaps and WinIconPtr structures and no other code will need * to be changed. * *---------------------------------------------------------------------- */ static WinIconPtr GetIconFromPixmap(dsPtr, pixmap) Display *dsPtr; Pixmap pixmap; { WinIconPtr titlebaricon = NULL; TkWinDrawable* twdPtr = (TkWinDrawable*) pixmap; if (twdPtr == NULL) { return NULL; } if (0 /* If we already have an icon for this pixmap */) { titlebaricon = NULL; /* Get the real value from a lookup */ titlebaricon->refCount++; return titlebaricon; } else { BlockOfIconImagesPtr lpIR; ICONINFO icon; HICON hIcon; int width, height; Tk_SizeOfBitmap(dsPtr, pixmap, &width, &height); icon.fIcon = TRUE; icon.xHotspot = 0; icon.yHotspot = 0; icon.hbmMask = twdPtr->bitmap.handle; icon.hbmColor = twdPtr->bitmap.handle; hIcon = CreateIconIndirect(&icon); if (hIcon == NULL) { return NULL; } lpIR = (BlockOfIconImagesPtr) ckalloc(sizeof(BlockOfIconImages)); if (lpIR == NULL) { DestroyIcon(hIcon); return NULL; } lpIR->nNumImages = 1; lpIR->IconImages[0].Width = width; lpIR->IconImages[0].Height = height; lpIR->IconImages[0].Colors = 1 << twdPtr->bitmap.depth; lpIR->IconImages[0].hIcon = hIcon; /* These fields are ignored */ lpIR->IconImages[0].lpBits = 0; lpIR->IconImages[0].dwNumBytes = 0; lpIR->IconImages[0].lpXOR = 0; lpIR->IconImages[0].lpAND = 0; titlebaricon = (WinIconPtr) ckalloc(sizeof(WinIconInstance)); titlebaricon->iconBlock = lpIR; titlebaricon->refCount = 1; return titlebaricon; } } /* *---------------------------------------------------------------------- * * DecrIconRefCount -- * * Reduces the reference count. * * Results: * None. * * Side effects: * If the ref count falls to zero, free the memory associated * with the icon resource structures. In this case the pointer * passed into this function is no longer valid. * *---------------------------------------------------------------------- */ static void DecrIconRefCount(WinIconPtr titlebaricon) { titlebaricon->refCount--; if (titlebaricon->refCount <= 0) { if (titlebaricon->iconBlock != NULL) { FreeIconBlock(titlebaricon->iconBlock); } titlebaricon->iconBlock = NULL; ckfree((char*)titlebaricon); } } /* *---------------------------------------------------------------------- * * FreeIconBlock -- * * Frees all memory associated with a previously loaded * titlebaricon. The icon block pointer is no longer * valid once this function returns. * * Results: * None. * * Side effects: * * *---------------------------------------------------------------------- */ static void FreeIconBlock(BlockOfIconImagesPtr lpIR) { int i; /* Free all the bits */ for (i=0; i< lpIR->nNumImages; i++) { if (lpIR->IconImages[i].lpBits != NULL) { ckfree((char*)lpIR->IconImages[i].lpBits); } if (lpIR->IconImages[i].hIcon != NULL) { DestroyIcon(lpIR->IconImages[i].hIcon); } } ckfree ((char*)lpIR); } /* *---------------------------------------------------------------------- * * GetIcon -- * * Extracts an icon of a given size from an icon resource * * Results: * Returns the icon, if found, else NULL. * * Side effects: * * *---------------------------------------------------------------------- */ static HICON GetIcon(WinIconPtr titlebaricon, int icon_size) { BlockOfIconImagesPtr lpIR; if (titlebaricon == NULL) { return NULL; } lpIR = titlebaricon->iconBlock; if (lpIR == NULL) { return NULL; } else { unsigned int size = (icon_size == 0 ? 16 : 32); int i; for (i = 0; i < lpIR->nNumImages; i++) { /* Take the first or a 32x32 16 color icon*/ if ((lpIR->IconImages[i].Height == size) && (lpIR->IconImages[i].Width == size) && (lpIR->IconImages[i].Colors >= 4)) { return lpIR->IconImages[i].hIcon; } } /* * If we get here, then just return the first one, * it will have to do! */ if (lpIR->nNumImages >= 1) { return lpIR->IconImages[0].hIcon; } } return NULL; } static HCURSOR TclWinReadCursorFromFile(Tcl_Interp* interp, Tcl_Obj* fileName) { BlockOfIconImagesPtr lpIR; HICON res = NULL; lpIR = ReadIconOrCursorFromFile(interp, fileName, FALSE); if (lpIR == NULL) { return NULL; } if (lpIR->nNumImages >= 1) { res = CopyImage(lpIR->IconImages[0].hIcon, IMAGE_CURSOR,0,0,0); } FreeIconBlock(lpIR); return res; } /* *---------------------------------------------------------------------- * * ReadIconOrCursorFromFile -- * * Reads an Icon Resource from an ICO file, as given by * char* fileName - Name of the ICO file. This name should * be in Utf format. * * Results: * Returns an icon resource, if found, else NULL. * * Side effects: * May leave error messages in the Tcl interpreter. * *---------------------------------------------------------------------- */ static BlockOfIconImagesPtr ReadIconOrCursorFromFile(Tcl_Interp* interp, Tcl_Obj* fileName, BOOL isIcon) { BlockOfIconImagesPtr lpIR, lpNew; Tcl_Channel channel; int i; DWORD dwBytesRead; LPICONDIRENTRY lpIDE; /* Open the file */ channel = Tcl_FSOpenFileChannel(interp, fileName, "r", 0); if (channel == NULL) { Tcl_AppendResult(interp,"Error opening file \"", Tcl_GetString(fileName), "\" for reading",(char*)NULL); return NULL; } if (Tcl_SetChannelOption(interp, channel, "-translation", "binary") != TCL_OK) { Tcl_Close(NULL, channel); return NULL; } if (Tcl_SetChannelOption(interp, channel, "-encoding", "binary") != TCL_OK) { Tcl_Close(NULL, channel); return NULL; } /* Allocate memory for the resource structure */ lpIR = (BlockOfIconImagesPtr) ckalloc(sizeof(BlockOfIconImages)); if (lpIR == NULL) { Tcl_AppendResult(interp,"Error allocating memory",(char*)NULL); Tcl_Close(NULL, channel); return NULL; } /* Read in the header */ if ((lpIR->nNumImages = ReadICOHeader( channel )) == -1) { Tcl_AppendResult(interp,"Invalid file header",(char*)NULL); Tcl_Close(NULL, channel); ckfree((char*) lpIR ); return NULL; } /* Adjust the size of the struct to account for the images */ lpNew = (BlockOfIconImagesPtr) ckrealloc((char*)lpIR, sizeof(BlockOfIconImages) + ((lpIR->nNumImages-1) * sizeof(ICONIMAGE))); if (lpNew == NULL) { Tcl_AppendResult(interp,"Error allocating memory",(char*)NULL); Tcl_Close(NULL, channel); ckfree( (char*)lpIR ); return NULL; } lpIR = lpNew; /* Allocate enough memory for the icon directory entries */ lpIDE = (LPICONDIRENTRY) ckalloc(lpIR->nNumImages * sizeof(ICONDIRENTRY)); if (lpIDE == NULL) { Tcl_AppendResult(interp,"Error allocating memory",(char*)NULL); Tcl_Close(NULL, channel); ckfree( (char*)lpIR ); return NULL; } /* Read in the icon directory entries */ dwBytesRead = Tcl_Read(channel, (char*)lpIDE, lpIR->nNumImages * sizeof( ICONDIRENTRY )); if (dwBytesRead != lpIR->nNumImages * sizeof( ICONDIRENTRY )) { Tcl_AppendResult(interp,"Error reading file",(char*)NULL); Tcl_Close(NULL, channel); ckfree( (char*)lpIR ); return NULL; } /* Loop through and read in each image */ for( i = 0; i < lpIR->nNumImages; i++ ) { /* Allocate memory for the resource */ lpIR->IconImages[i].lpBits = (LPBYTE) ckalloc(lpIDE[i].dwBytesInRes); if (lpIR->IconImages[i].lpBits == NULL) { Tcl_AppendResult(interp,"Error allocating memory",(char*)NULL); Tcl_Close(NULL, channel); ckfree( (char*)lpIR ); ckfree( (char*)lpIDE ); return NULL; } lpIR->IconImages[i].dwNumBytes = lpIDE[i].dwBytesInRes; /* Seek to beginning of this image */ if (Tcl_Seek(channel, lpIDE[i].dwImageOffset, FILE_BEGIN) == -1) { Tcl_AppendResult(interp,"Error seeking in file",(char*)NULL); Tcl_Close(NULL, channel); ckfree( (char*)lpIR ); ckfree( (char*)lpIDE ); return NULL; } /* Read it in */ dwBytesRead = Tcl_Read( channel, lpIR->IconImages[i].lpBits, lpIDE[i].dwBytesInRes); if (dwBytesRead != lpIDE[i].dwBytesInRes) { Tcl_AppendResult(interp,"Error reading file",(char*)NULL); Tcl_Close(NULL, channel); ckfree( (char*)lpIDE ); ckfree( (char*)lpIR ); return NULL; } /* Set the internal pointers appropriately */ if (!AdjustIconImagePointers( &(lpIR->IconImages[i]))) { Tcl_AppendResult(interp,"Error converting to internal format", (char*)NULL); Tcl_Close(NULL, channel); ckfree( (char*)lpIDE ); ckfree( (char*)lpIR ); return NULL; } lpIR->IconImages[i].hIcon = MakeIconOrCursorFromResource(&(lpIR->IconImages[i]), isIcon); } /* Clean up */ ckfree((char*)lpIDE); Tcl_Close(NULL, channel); if (lpIR == NULL){ Tcl_AppendResult(interp,"Reading of ", Tcl_GetString(fileName), " failed!",(char*)NULL); return NULL; } return lpIR; } /* *---------------------------------------------------------------------- * * GetTopLevel -- * * This function retrieves the TkWindow associated with the * given HWND. * * Results: * Returns the matching TkWindow. * * Side effects: * None. * *---------------------------------------------------------------------- */ static TkWindow * GetTopLevel(hwnd) HWND hwnd; { ThreadSpecificData *tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); /* * If this function is called before the CreateWindowEx call * has completed, then the user data slot will not have been * set yet, so we use the global createWindow variable. */ if (tsdPtr->createWindow) { return tsdPtr->createWindow; } #ifdef _WIN64 return (TkWindow *) GetWindowLongPtr(hwnd, GWLP_USERDATA); #else return (TkWindow *) GetWindowLong(hwnd, GWL_USERDATA); #endif } /* *---------------------------------------------------------------------- * * SetLimits -- * * Updates the minimum and maximum window size constraints. * * Results: * None. * * Side effects: * Changes the values of the info pointer to reflect the current * minimum and maximum size values. * *---------------------------------------------------------------------- */ static void SetLimits(hwnd, info) HWND hwnd; MINMAXINFO *info; { register WmInfo *wmPtr; int maxWidth, maxHeight; int minWidth, minHeight; int base; TkWindow *winPtr = GetTopLevel(hwnd); if (winPtr == NULL) { return; } wmPtr = winPtr->wmInfoPtr; /* * Copy latest constraint info. */ wmPtr->defMinWidth = info->ptMinTrackSize.x; wmPtr->defMinHeight = info->ptMinTrackSize.y; wmPtr->defMaxWidth = info->ptMaxTrackSize.x; wmPtr->defMaxHeight = info->ptMaxTrackSize.y; GetMaxSize(wmPtr, &maxWidth, &maxHeight); GetMinSize(wmPtr, &minWidth, &minHeight); if (wmPtr->gridWin != NULL) { base = winPtr->reqWidth - (wmPtr->reqGridWidth * wmPtr->widthInc); if (base < 0) { base = 0; } base += wmPtr->borderWidth; info->ptMinTrackSize.x = base + (minWidth * wmPtr->widthInc); info->ptMaxTrackSize.x = base + (maxWidth * wmPtr->widthInc); base = winPtr->reqHeight - (wmPtr->reqGridHeight * wmPtr->heightInc); if (base < 0) { base = 0; } base += wmPtr->borderHeight; info->ptMinTrackSize.y = base + (minHeight * wmPtr->heightInc); info->ptMaxTrackSize.y = base + (maxHeight * wmPtr->heightInc); } else { info->ptMaxTrackSize.x = maxWidth + wmPtr->borderWidth; info->ptMaxTrackSize.y = maxHeight + wmPtr->borderHeight; info->ptMinTrackSize.x = minWidth + wmPtr->borderWidth; info->ptMinTrackSize.y = minHeight + wmPtr->borderHeight; } /* * If the window isn't supposed to be resizable, then set the * minimum and maximum dimensions to be the same as the current size. */ if (!(wmPtr->flags & WM_SYNC_PENDING)) { if (wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) { info->ptMinTrackSize.x = winPtr->changes.width + wmPtr->borderWidth; info->ptMaxTrackSize.x = info->ptMinTrackSize.x; } if (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) { info->ptMinTrackSize.y = winPtr->changes.height + wmPtr->borderHeight; info->ptMaxTrackSize.y = info->ptMinTrackSize.y; } } } /* *---------------------------------------------------------------------- * * TkWinWmCleanup -- * * Unregisters classes registered by the window manager. This is * called from the DLL main entry point when the DLL is unloaded. * * Results: * None. * * Side effects: * The window classes are discarded. * *---------------------------------------------------------------------- */ void TkWinWmCleanup(hInstance) HINSTANCE hInstance; { ThreadSpecificData *tsdPtr; /* * If we're using stubs to access the Tcl library, and they * haven't been initialized, we can't call Tcl_GetThreadData. */ #ifdef USE_TCL_STUBS if (tclStubsPtr == NULL) { return; } #endif tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (!tsdPtr->initialized) { return; } tsdPtr->initialized = 0; UnregisterClass(TK_WIN_TOPLEVEL_CLASS_NAME, hInstance); } /* *-------------------------------------------------------------- * * TkWmNewWindow -- * * This procedure is invoked whenever a new top-level * window is created. Its job is to initialize the WmInfo * structure for the window. * * Results: * None. * * Side effects: * A WmInfo structure gets allocated and initialized. * *-------------------------------------------------------------- */ void TkWmNewWindow(winPtr) TkWindow *winPtr; /* Newly-created top-level window. */ { register WmInfo *wmPtr; wmPtr = (WmInfo *) ckalloc(sizeof(WmInfo)); /* * Initialize full structure, then set what isn't NULL */ ZeroMemory(wmPtr, sizeof(WmInfo)); winPtr->wmInfoPtr = wmPtr; wmPtr->winPtr = winPtr; wmPtr->hints.flags = InputHint | StateHint; wmPtr->hints.input = True; wmPtr->hints.initial_state = NormalState; wmPtr->hints.icon_pixmap = None; wmPtr->hints.icon_window = None; wmPtr->hints.icon_x = wmPtr->hints.icon_y = 0; wmPtr->hints.icon_mask = None; wmPtr->hints.window_group = None; /* * Default the maximum dimensions to the size of the display. */ wmPtr->defMinWidth = wmPtr->defMinHeight = 0; wmPtr->defMaxWidth = DisplayWidth(winPtr->display, winPtr->screenNum); wmPtr->defMaxHeight = DisplayHeight(winPtr->display, winPtr->screenNum); wmPtr->minWidth = wmPtr->minHeight = 1; wmPtr->maxWidth = wmPtr->maxHeight = 0; wmPtr->widthInc = wmPtr->heightInc = 1; wmPtr->minAspect.x = wmPtr->minAspect.y = 1; wmPtr->maxAspect.x = wmPtr->maxAspect.y = 1; wmPtr->reqGridWidth = wmPtr->reqGridHeight = -1; wmPtr->gravity = NorthWestGravity; wmPtr->width = -1; wmPtr->height = -1; wmPtr->x = winPtr->changes.x; wmPtr->y = winPtr->changes.y; wmPtr->configWidth = -1; wmPtr->configHeight = -1; wmPtr->flags = WM_NEVER_MAPPED; wmPtr->nextPtr = winPtr->dispPtr->firstWmPtr; winPtr->dispPtr->firstWmPtr = wmPtr; /* * Tk must monitor structure events for top-level windows, in order * to detect size and position changes caused by window managers. */ Tk_CreateEventHandler((Tk_Window) winPtr, StructureNotifyMask, TopLevelEventProc, (ClientData) winPtr); /* * Arrange for geometry requests to be reflected from the window * to the window manager. */ Tk_ManageGeometry((Tk_Window) winPtr, &wmMgrType, (ClientData) 0); } /* *---------------------------------------------------------------------- * * UpdateWrapper -- * * This function creates the wrapper window that contains the * window decorations and menus for a toplevel. This function * may be called after a window is mapped to change the window * style. * * Results: * None. * * Side effects: * Destroys any old wrapper window and replaces it with a newly * created wrapper. * *---------------------------------------------------------------------- */ static void UpdateWrapper(winPtr) TkWindow *winPtr; /* Top-level window to redecorate. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; HWND parentHWND, oldWrapper; HWND child; int x, y, width, height, state; WINDOWPLACEMENT place; HICON hSmallIcon = NULL; HICON hBigIcon = NULL; Tcl_DString titleString, classString; int *childStateInfo = NULL; ThreadSpecificData *tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (winPtr->window == None) { /* * Ensure existence of the window to update the wrapper for. */ Tk_MakeWindowExist((Tk_Window) winPtr); } child = TkWinGetHWND(winPtr->window); parentHWND = NULL; if (winPtr->flags & TK_EMBEDDED) { wmPtr->wrapper = (HWND) winPtr->privatePtr; if (wmPtr->wrapper == NULL) { panic("UpdateWrapper: Cannot find container window"); } if (!IsWindow(wmPtr->wrapper)) { panic("UpdateWrapper: Container was destroyed"); } } else { /* * Pick the decorative frame style. Override redirect windows get * created as undecorated popups. Transient windows get a modal * dialog frame. Neither override, nor transient windows appear in * the Windows taskbar. Note that a transient window does not resize * by default, so we need to explicitly add the WS_THICKFRAME style * if we want it to be resizeable. */ if (winPtr->atts.override_redirect) { wmPtr->style = WM_OVERRIDE_STYLE; wmPtr->exStyle = EX_OVERRIDE_STYLE; } else if (wmPtr->masterPtr) { wmPtr->style = WM_TRANSIENT_STYLE; wmPtr->exStyle = EX_TRANSIENT_STYLE; parentHWND = Tk_GetHWND(Tk_WindowId(wmPtr->masterPtr)); if (! ((wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) && (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE))) { wmPtr->style |= WS_THICKFRAME; } } else { wmPtr->style = WM_TOPLEVEL_STYLE; wmPtr->exStyle = EX_TOPLEVEL_STYLE; } wmPtr->style |= wmPtr->styleConfig; wmPtr->exStyle |= wmPtr->exStyleConfig; if ((wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) && (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE)) { wmPtr->style &= ~ (WS_MAXIMIZEBOX | WS_SIZEBOX); } /* * Compute the geometry of the parent and child windows. */ wmPtr->flags |= WM_CREATE_PENDING|WM_MOVE_PENDING; UpdateGeometryInfo((ClientData)winPtr); wmPtr->flags &= ~(WM_CREATE_PENDING|WM_MOVE_PENDING); width = wmPtr->borderWidth + winPtr->changes.width; height = wmPtr->borderHeight + winPtr->changes.height; /* * Set the initial position from the user or program specified * location. If nothing has been specified, then let the system * pick a location. */ if (!(wmPtr->sizeHintsFlags & (USPosition | PPosition)) && (wmPtr->flags & WM_NEVER_MAPPED)) { x = CW_USEDEFAULT; y = CW_USEDEFAULT; } else { x = winPtr->changes.x; y = winPtr->changes.y; } /* * Create the containing window, and set the user data to point * to the TkWindow. */ tsdPtr->createWindow = winPtr; Tcl_WinUtfToTChar(((wmPtr->title != NULL) ? wmPtr->title : winPtr->nameUid), -1, &titleString); Tcl_WinUtfToTChar(TK_WIN_TOPLEVEL_CLASS_NAME, -1, &classString); wmPtr->wrapper = (*tkWinProcs->createWindowEx)(wmPtr->exStyle, (LPCTSTR) Tcl_DStringValue(&classString), (LPCTSTR) Tcl_DStringValue(&titleString), wmPtr->style, x, y, width, height, parentHWND, NULL, Tk_GetHINSTANCE(), NULL); Tcl_DStringFree(&classString); Tcl_DStringFree(&titleString); #ifdef _WIN64 SetWindowLongPtr(wmPtr->wrapper, GWLP_USERDATA, (LONG_PTR) winPtr); #else SetWindowLong(wmPtr->wrapper, GWL_USERDATA, (LONG) winPtr); #endif tsdPtr->createWindow = NULL; place.length = sizeof(WINDOWPLACEMENT); GetWindowPlacement(wmPtr->wrapper, &place); wmPtr->x = place.rcNormalPosition.left; wmPtr->y = place.rcNormalPosition.top; TkInstallFrameMenu((Tk_Window) winPtr); } /* * Now we need to reparent the contained window and set its * style appropriately. Be sure to update the style first so that * Windows doesn't try to set the focus to the child window. */ #ifdef _WIN64 SetWindowLongPtr(child, GWL_STYLE, WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS); #else SetWindowLong(child, GWL_STYLE, WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS); #endif if (winPtr->flags & TK_EMBEDDED) { #ifdef _WIN64 SetWindowLongPtr(child, GWLP_WNDPROC, (LONG_PTR) TopLevelProc); #else SetWindowLong(child, GWL_WNDPROC, (LONG) TopLevelProc); #endif } oldWrapper = SetParent(child, wmPtr->wrapper); if (oldWrapper) { hSmallIcon = (HICON) SendMessage(oldWrapper, WM_GETICON, ICON_SMALL, (LPARAM) NULL); hBigIcon = (HICON) SendMessage(oldWrapper, WM_GETICON, ICON_BIG, (LPARAM) NULL); } if (oldWrapper && (oldWrapper != wmPtr->wrapper) && (oldWrapper != GetDesktopWindow())) { #ifdef _WIN64 SetWindowLongPtr(oldWrapper, GWLP_USERDATA, (LONG) NULL); #else SetWindowLong(oldWrapper, GWL_USERDATA, (LONG) NULL); #endif if (wmPtr->numTransients > 0) { /* * Unset the current wrapper as the parent for all transient * children for whom this is the master */ WmInfo *wmPtr2; childStateInfo = (int *)ckalloc((unsigned) wmPtr->numTransients * sizeof(int)); state = 0; for (wmPtr2 = winPtr->dispPtr->firstWmPtr; wmPtr2 != NULL; wmPtr2 = wmPtr2->nextPtr) { if (wmPtr2->masterPtr == winPtr) { if (!(wmPtr2->flags & WM_NEVER_MAPPED)) { childStateInfo[state++] = wmPtr2->hints.initial_state; SetParent(TkWinGetHWND(wmPtr2->winPtr->window), NULL); } } } } /* * Remove the menubar before destroying the window so the menubar * isn't destroyed. */ SetMenu(oldWrapper, NULL); DestroyWindow(oldWrapper); } wmPtr->flags &= ~WM_NEVER_MAPPED; SendMessage(wmPtr->wrapper, TK_ATTACHWINDOW, (WPARAM) child, 0); /* * Force an initial transition from withdrawn to the real * initial state. */ state = wmPtr->hints.initial_state; wmPtr->hints.initial_state = WithdrawnState; TkpWmSetState(winPtr, state); if (hSmallIcon != NULL) { SendMessage(wmPtr->wrapper,WM_SETICON,ICON_SMALL,(LPARAM)hSmallIcon); } if (hBigIcon != NULL) { SendMessage(wmPtr->wrapper,WM_SETICON,ICON_BIG,(LPARAM)hBigIcon); } /* * If we are embedded then force a mapping of the window now, * because we do not necessarily own the wrapper and may not * get another opportunity to map ourselves. We should not be * in either iconified or zoomed states when we get here, so * it is safe to just check for TK_EMBEDDED without checking * what state we are supposed to be in (default to NormalState). */ if (winPtr->flags & TK_EMBEDDED) { XMapWindow(winPtr->display, winPtr->window); } /* * Set up menus on the wrapper if required. */ if (wmPtr->hMenu != NULL) { wmPtr->flags = WM_SYNC_PENDING; SetMenu(wmPtr->wrapper, wmPtr->hMenu); wmPtr->flags &= ~WM_SYNC_PENDING; } if (childStateInfo) { if (wmPtr->numTransients > 0) { /* * Reset all transient children for whom this is the master */ WmInfo *wmPtr2; state = 0; for (wmPtr2 = winPtr->dispPtr->firstWmPtr; wmPtr2 != NULL; wmPtr2 = wmPtr2->nextPtr) { if (wmPtr2->masterPtr == winPtr) { if (!(wmPtr2->flags & WM_NEVER_MAPPED)) { UpdateWrapper(wmPtr2->winPtr); TkpWmSetState(wmPtr2->winPtr, childStateInfo[state++]); } } } } ckfree((char *) childStateInfo); } /* * If this is the first window created by the application, then * we should activate the initial window. */ if (tsdPtr->firstWindow) { tsdPtr->firstWindow = 0; SetActiveWindow(wmPtr->wrapper); } } /* *-------------------------------------------------------------- * * TkWmMapWindow -- * * This procedure is invoked to map a top-level window. This * module gets a chance to update all window-manager-related * information in properties before the window manager sees * the map event and checks the properties. It also gets to * decide whether or not to even map the window after all. * * Results: * None. * * Side effects: * Properties of winPtr may get updated to provide up-to-date * information to the window manager. The window may also get * mapped, but it may not be if this procedure decides that * isn't appropriate (e.g. because the window is withdrawn). * *-------------------------------------------------------------- */ void TkWmMapWindow(winPtr) TkWindow *winPtr; /* Top-level window that's about to * be mapped. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; ThreadSpecificData *tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (!tsdPtr->initialized) { InitWm(); } if (wmPtr->flags & WM_NEVER_MAPPED) { /* * Don't map a transient if the master is not mapped. */ if (wmPtr->masterPtr != NULL && !Tk_IsMapped(wmPtr->masterPtr)) { wmPtr->hints.initial_state = WithdrawnState; return; } } else { if (wmPtr->hints.initial_state == WithdrawnState) { return; } /* * Map the window in either the iconified or normal state. Note that * we only send a map event if the window is in the normal state. */ TkpWmSetState(winPtr, wmPtr->hints.initial_state); } /* * This is the first time this window has ever been mapped. * Store all the window-manager-related information for the * window. */ UpdateWrapper(winPtr); } /* *-------------------------------------------------------------- * * TkWmUnmapWindow -- * * This procedure is invoked to unmap a top-level window. The * only thing it does special is unmap the decorative frame before * unmapping the toplevel window. * * Results: * None. * * Side effects: * Unmaps the decorative frame and the window. * *-------------------------------------------------------------- */ void TkWmUnmapWindow(winPtr) TkWindow *winPtr; /* Top-level window that's about to * be unmapped. */ { TkpWmSetState(winPtr, WithdrawnState); } /* *---------------------------------------------------------------------- * * TkpWmSetState -- * * Sets the window manager state for the wrapper window of a * given toplevel window. * * Results: * None. * * Side effects: * May maximize, minimize, restore, or withdraw a window. * *---------------------------------------------------------------------- */ void TkpWmSetState(winPtr, state) TkWindow *winPtr; /* Toplevel window to operate on. */ int state; /* One of IconicState, ZoomState, NormalState, * or WithdrawnState. */ { WmInfo *wmPtr = winPtr->wmInfoPtr; int cmd; if (wmPtr->flags & WM_NEVER_MAPPED) { wmPtr->hints.initial_state = state; return; } wmPtr->flags |= WM_SYNC_PENDING; if (state == WithdrawnState) { cmd = SW_HIDE; } else if (state == IconicState) { cmd = SW_SHOWMINNOACTIVE; } else if (state == NormalState) { cmd = SW_SHOWNOACTIVATE; } else if (state == ZoomState) { cmd = SW_SHOWMAXIMIZED; } ShowWindow(wmPtr->wrapper, cmd); wmPtr->flags &= ~WM_SYNC_PENDING; } /* *-------------------------------------------------------------- * * TkWmDeadWindow -- * * This procedure is invoked when a top-level window is * about to be deleted. It cleans up the wm-related data * structures for the window. * * Results: * None. * * Side effects: * The WmInfo structure for winPtr gets freed up. * *-------------------------------------------------------------- */ void TkWmDeadWindow(winPtr) TkWindow *winPtr; /* Top-level window that's being deleted. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; WmInfo *wmPtr2; if (wmPtr == NULL) { return; } /* * Clean up event related window info. */ if (winPtr->dispPtr->firstWmPtr == wmPtr) { winPtr->dispPtr->firstWmPtr = wmPtr->nextPtr; } else { register WmInfo *prevPtr; for (prevPtr = winPtr->dispPtr->firstWmPtr; ; prevPtr = prevPtr->nextPtr) { if (prevPtr == NULL) { panic("couldn't unlink window in TkWmDeadWindow"); } if (prevPtr->nextPtr == wmPtr) { prevPtr->nextPtr = wmPtr->nextPtr; break; } } } /* * Reset all transient windows whose master is the dead window. */ for (wmPtr2 = winPtr->dispPtr->firstWmPtr; wmPtr2 != NULL; wmPtr2 = wmPtr2->nextPtr) { if (wmPtr2->masterPtr == winPtr) { wmPtr->numTransients--; Tk_DeleteEventHandler((Tk_Window) wmPtr2->masterPtr, VisibilityChangeMask|StructureNotifyMask, WmWaitVisibilityOrMapProc, (ClientData) wmPtr2->winPtr); wmPtr2->masterPtr = NULL; if ((wmPtr2->wrapper != None) && !(wmPtr2->flags & (WM_NEVER_MAPPED))) { UpdateWrapper(wmPtr2->winPtr); } } } if (wmPtr->numTransients != 0) panic("numTransients should be 0"); if (wmPtr->title != NULL) { ckfree(wmPtr->title); } if (wmPtr->iconName != NULL) { ckfree(wmPtr->iconName); } if (wmPtr->hints.flags & IconPixmapHint) { Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap); } if (wmPtr->hints.flags & IconMaskHint) { Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_mask); } if (wmPtr->leaderName != NULL) { ckfree(wmPtr->leaderName); } if (wmPtr->icon != NULL) { wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr; wmPtr2->iconFor = NULL; } if (wmPtr->iconFor != NULL) { wmPtr2 = ((TkWindow *) wmPtr->iconFor)->wmInfoPtr; wmPtr2->icon = NULL; wmPtr2->hints.flags &= ~IconWindowHint; } while (wmPtr->protPtr != NULL) { ProtocolHandler *protPtr; protPtr = wmPtr->protPtr; wmPtr->protPtr = protPtr->nextPtr; Tcl_EventuallyFree((ClientData) protPtr, TCL_DYNAMIC); } if (wmPtr->cmdArgv != NULL) { ckfree((char *) wmPtr->cmdArgv); } if (wmPtr->clientMachine != NULL) { ckfree((char *) wmPtr->clientMachine); } if (wmPtr->flags & WM_UPDATE_PENDING) { Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr); } if (wmPtr->masterPtr != NULL) { wmPtr2 = wmPtr->masterPtr->wmInfoPtr; /* * If we had a master, tell them that we aren't tied * to them anymore */ if (wmPtr2 != NULL) { wmPtr2->numTransients--; } Tk_DeleteEventHandler((Tk_Window) wmPtr->masterPtr, VisibilityChangeMask|StructureNotifyMask, WmWaitVisibilityOrMapProc, (ClientData) winPtr); wmPtr->masterPtr = NULL; } /* * Destroy the decorative frame window. */ if (!(winPtr->flags & TK_EMBEDDED)) { if (wmPtr->wrapper != NULL) { DestroyWindow(wmPtr->wrapper); } else { DestroyWindow(Tk_GetHWND(winPtr->window)); } } if (wmPtr->iconPtr != NULL) { /* * This may delete the icon resource data. I believe we * should do this after destroying the decorative frame, * because the decorative frame is using this icon. */ DecrIconRefCount(wmPtr->iconPtr); } ckfree((char *) wmPtr); winPtr->wmInfoPtr = NULL; } /* *-------------------------------------------------------------- * * TkWmSetClass -- * * This procedure is invoked whenever a top-level window's * class is changed. If the window has been mapped then this * procedure updates the window manager property for the * class. If the window hasn't been mapped, the update is * deferred until just before the first mapping. * * Results: * None. * * Side effects: * A window property may get updated. * *-------------------------------------------------------------- */ void TkWmSetClass(winPtr) TkWindow *winPtr; /* Newly-created top-level window. */ { return; } /* *---------------------------------------------------------------------- * * Tk_WmObjCmd -- * * This procedure is invoked to process the "wm" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ /* ARGSUSED */ int Tk_WmObjCmd(clientData, interp, objc, objv) ClientData clientData; /* Main window associated with * interpreter. */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { Tk_Window tkwin = (Tk_Window) clientData; static CONST char *optionStrings[] = { "aspect", "attributes", "client", "colormapwindows", "command", "deiconify", "focusmodel", "frame", "geometry", "grid", "group", "iconbitmap", "iconify", "iconmask", "iconname", "iconposition", "iconwindow", "maxsize", "minsize", "overrideredirect", "positionfrom", "protocol", "resizable", "sizefrom", "stackorder", "state", "title", "transient", "withdraw", (char *) NULL }; enum options { WMOPT_ASPECT, WMOPT_ATTRIBUTES, WMOPT_CLIENT, WMOPT_COLORMAPWINDOWS, WMOPT_COMMAND, WMOPT_DEICONIFY, WMOPT_FOCUSMODEL, WMOPT_FRAME, WMOPT_GEOMETRY, WMOPT_GRID, WMOPT_GROUP, WMOPT_ICONBITMAP, WMOPT_ICONIFY, WMOPT_ICONMASK, WMOPT_ICONNAME, WMOPT_ICONPOSITION, WMOPT_ICONWINDOW, WMOPT_MAXSIZE, WMOPT_MINSIZE, WMOPT_OVERRIDEREDIRECT, WMOPT_POSITIONFROM, WMOPT_PROTOCOL, WMOPT_RESIZABLE, WMOPT_SIZEFROM, WMOPT_STACKORDER, WMOPT_STATE, WMOPT_TITLE, WMOPT_TRANSIENT, WMOPT_WITHDRAW }; int index, length; char *argv1; TkWindow *winPtr; TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr; if (objc < 2) { wrongNumArgs: Tcl_WrongNumArgs(interp, 1, objv, "option window ?arg ...?"); return TCL_ERROR; } argv1 = Tcl_GetStringFromObj(objv[1], &length); if ((argv1[0] == 't') && (strncmp(argv1, "tracing", length) == 0) && (length >= 3)) { int wmTracing; if ((objc != 2) && (objc != 3)) { Tcl_WrongNumArgs(interp, 2, objv, "?boolean?"); return TCL_ERROR; } if (objc == 2) { Tcl_SetResult(interp, ((dispPtr->flags & TK_DISPLAY_WM_TRACING) ? "on" : "off"), TCL_STATIC); return TCL_OK; } if (Tcl_GetBooleanFromObj(interp, objv[2], &wmTracing) != TCL_OK) { return TCL_ERROR; } if (wmTracing) { dispPtr->flags |= TK_DISPLAY_WM_TRACING; } else { dispPtr->flags &= ~TK_DISPLAY_WM_TRACING; } return TCL_OK; } if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0, &index) != TCL_OK) { return TCL_ERROR; } if (objc < 3) { goto wrongNumArgs; } if (TkGetWindowFromObj(interp, tkwin, objv[2], (Tk_Window *) &winPtr) != TCL_OK) { return TCL_ERROR; } if (!Tk_IsTopLevel(winPtr)) { Tcl_AppendResult(interp, "window \"", winPtr->pathName, "\" isn't a top-level window", (char *) NULL); return TCL_ERROR; } switch ((enum options) index) { case WMOPT_ASPECT: return WmAspectCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ATTRIBUTES: return WmAttributesCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_CLIENT: return WmClientCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_COLORMAPWINDOWS: return WmColormapwindowsCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_COMMAND: return WmCommandCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_DEICONIFY: return WmDeiconifyCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_FOCUSMODEL: return WmFocusmodelCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_FRAME: return WmFrameCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_GEOMETRY: return WmGeometryCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_GRID: return WmGridCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_GROUP: return WmGroupCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONBITMAP: return WmIconbitmapCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONIFY: return WmIconifyCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONMASK: return WmIconmaskCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONNAME: return WmIconnameCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONPOSITION: return WmIconpositionCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONWINDOW: return WmIconwindowCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_MAXSIZE: return WmMaxsizeCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_MINSIZE: return WmMinsizeCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_OVERRIDEREDIRECT: return WmOverrideredirectCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_POSITIONFROM: return WmPositionfromCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_PROTOCOL: return WmProtocolCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_RESIZABLE: return WmResizableCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_SIZEFROM: return WmSizefromCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_STACKORDER: return WmStackorderCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_STATE: return WmStateCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_TITLE: return WmTitleCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_TRANSIENT: return WmTransientCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_WITHDRAW: return WmWithdrawCmd(tkwin, winPtr, interp, objc, objv); } /* This should not happen */ return TCL_ERROR; } /* *---------------------------------------------------------------------- * * WmAspectCmd -- * * This procedure is invoked to process the "wm aspect" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmAspectCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int numer1, denom1, numer2, denom2; if ((objc != 3) && (objc != 7)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?minNumer minDenom maxNumer maxDenom?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->sizeHintsFlags & PAspect) { char buf[TCL_INTEGER_SPACE * 4]; sprintf(buf, "%d %d %d %d", wmPtr->minAspect.x, wmPtr->minAspect.y, wmPtr->maxAspect.x, wmPtr->maxAspect.y); Tcl_SetResult(interp, buf, TCL_VOLATILE); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->sizeHintsFlags &= ~PAspect; } else { if ((Tcl_GetIntFromObj(interp, objv[3], &numer1) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &denom1) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[5], &numer2) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[6], &denom2) != TCL_OK)) { return TCL_ERROR; } if ((numer1 <= 0) || (denom1 <= 0) || (numer2 <= 0) || (denom2 <= 0)) { Tcl_SetResult(interp, "aspect number can't be <= 0", TCL_STATIC); return TCL_ERROR; } wmPtr->minAspect.x = numer1; wmPtr->minAspect.y = denom1; wmPtr->maxAspect.x = numer2; wmPtr->maxAspect.y = denom2; wmPtr->sizeHintsFlags |= PAspect; } WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmAttributesCmd -- * * This procedure is invoked to process the "wm attributes" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmAttributesCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; LONG style, exStyle, styleBit, *stylePtr; char buf[TCL_INTEGER_SPACE], *string; int i, boolean, length; if (objc < 3) { configArgs: Tcl_WrongNumArgs(interp, 2, objv, "window" " ?-disabled ?bool??" " ?-toolwindow ?bool??" " ?-topmost ?bool??"); return TCL_ERROR; } exStyle = wmPtr->exStyleConfig; style = wmPtr->styleConfig; if (objc == 3) { sprintf(buf, "%d", ((style & WS_DISABLED) != 0)); Tcl_AppendResult(interp, "-disabled ", buf, (char *) NULL); sprintf(buf, "%d", ((exStyle & WS_EX_TOOLWINDOW) != 0)); Tcl_AppendResult(interp, " -toolwindow ", buf, (char *) NULL); sprintf(buf, "%d", ((exStyle & WS_EX_TOPMOST) != 0)); Tcl_AppendResult(interp, " -topmost ", buf, (char *) NULL); return TCL_OK; } for (i = 3; i < objc; i += 2) { string = Tcl_GetStringFromObj(objv[i], &length); if ((length < 2) || (string[0] != '-')) { goto configArgs; } if ((i < objc-1) && (Tcl_GetBooleanFromObj(interp, objv[i+1], &boolean) != TCL_OK)) { return TCL_ERROR; } if (strncmp(string, "-disabled", length) == 0) { stylePtr = &style; styleBit = WS_DISABLED; } else if ((strncmp(string, "-toolwindow", length) == 0) && (length >= 3)) { stylePtr = &exStyle; styleBit = WS_EX_TOOLWINDOW; } else if ((strncmp(string, "-topmost", length) == 0) && (length >= 3)) { stylePtr = &exStyle; styleBit = WS_EX_TOPMOST; if ((i < objc-1) && (winPtr->flags & TK_EMBEDDED)) { Tcl_AppendResult(interp, "can't set topmost flag on ", winPtr->pathName, ": it is an embedded window", (char *) NULL); return TCL_ERROR; } } else { goto configArgs; } if (i == objc-1) { Tcl_SetIntObj(Tcl_GetObjResult(interp), ((*stylePtr & styleBit) != 0)); } else if (boolean) { *stylePtr |= styleBit; } else { *stylePtr &= ~styleBit; } } if ((wmPtr->styleConfig != style) || (wmPtr->exStyleConfig != exStyle)) { wmPtr->styleConfig = style; wmPtr->exStyleConfig = exStyle; UpdateWrapper(winPtr); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmClientCmd -- * * This procedure is invoked to process the "wm client" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmClientCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; char *argv3; int length; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?name?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->clientMachine != NULL) { Tcl_SetResult(interp, wmPtr->clientMachine, TCL_STATIC); } return TCL_OK; } argv3 = Tcl_GetStringFromObj(objv[3], &length); if (argv3[0] == 0) { if (wmPtr->clientMachine != NULL) { ckfree((char *) wmPtr->clientMachine); wmPtr->clientMachine = NULL; if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XDeleteProperty(winPtr->display, winPtr->window, Tk_InternAtom((Tk_Window) winPtr, "WM_CLIENT_MACHINE")); } } return TCL_OK; } if (wmPtr->clientMachine != NULL) { ckfree((char *) wmPtr->clientMachine); } wmPtr->clientMachine = (char *) ckalloc((unsigned) (length + 1)); strcpy(wmPtr->clientMachine, argv3); if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XTextProperty textProp; if (XStringListToTextProperty(&wmPtr->clientMachine, 1, &textProp) != 0) { XSetWMClientMachine(winPtr->display, winPtr->window, &textProp); XFree((char *) textProp.value); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmColormapwindowsCmd -- * * This procedure is invoked to process the "wm colormapwindows" * Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmColormapwindowsCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; TkWindow **cmapList; TkWindow *winPtr2; int i, windowObjc, gotToplevel; Tcl_Obj **windowObjv; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?windowList?"); return TCL_ERROR; } if (objc == 3) { Tk_MakeWindowExist((Tk_Window) winPtr); for (i = 0; i < wmPtr->cmapCount; i++) { if ((i == (wmPtr->cmapCount-1)) && (wmPtr->flags & WM_ADDED_TOPLEVEL_COLORMAP)) { break; } Tcl_AppendElement(interp, wmPtr->cmapList[i]->pathName); } return TCL_OK; } if (Tcl_ListObjGetElements(interp, objv[3], &windowObjc, &windowObjv) != TCL_OK) { return TCL_ERROR; } cmapList = (TkWindow **) ckalloc((unsigned) ((windowObjc+1)*sizeof(TkWindow*))); gotToplevel = 0; for (i = 0; i < windowObjc; i++) { if (TkGetWindowFromObj(interp, tkwin, windowObjv[i], (Tk_Window *) &winPtr2) != TCL_OK) { ckfree((char *) cmapList); return TCL_ERROR; } if (winPtr2 == winPtr) { gotToplevel = 1; } if (winPtr2->window == None) { Tk_MakeWindowExist((Tk_Window) winPtr2); } cmapList[i] = winPtr2; } if (!gotToplevel) { wmPtr->flags |= WM_ADDED_TOPLEVEL_COLORMAP; cmapList[windowObjc] = winPtr; windowObjc++; } else { wmPtr->flags &= ~WM_ADDED_TOPLEVEL_COLORMAP; } wmPtr->flags |= WM_COLORMAPS_EXPLICIT; if (wmPtr->cmapList != NULL) { ckfree((char *)wmPtr->cmapList); } wmPtr->cmapList = cmapList; wmPtr->cmapCount = windowObjc; /* * Now we need to force the updated colormaps to be installed. */ if (wmPtr == winPtr->dispPtr->foregroundWmPtr) { InstallColormaps(wmPtr->wrapper, WM_QUERYNEWPALETTE, 1); } else { InstallColormaps(wmPtr->wrapper, WM_PALETTECHANGED, 0); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmCommandCmd -- * * This procedure is invoked to process the "wm command" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmCommandCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; char *argv3; int cmdArgc; CONST char **cmdArgv; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?value?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->cmdArgv != NULL) { Tcl_SetResult(interp, Tcl_Merge(wmPtr->cmdArgc, wmPtr->cmdArgv), TCL_DYNAMIC); } return TCL_OK; } argv3 = Tcl_GetString(objv[3]); if (argv3[0] == 0) { if (wmPtr->cmdArgv != NULL) { ckfree((char *) wmPtr->cmdArgv); wmPtr->cmdArgv = NULL; if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XDeleteProperty(winPtr->display, winPtr->window, Tk_InternAtom((Tk_Window) winPtr, "WM_COMMAND")); } } return TCL_OK; } if (Tcl_SplitList(interp, argv3, &cmdArgc, &cmdArgv) != TCL_OK) { return TCL_ERROR; } if (wmPtr->cmdArgv != NULL) { ckfree((char *) wmPtr->cmdArgv); } wmPtr->cmdArgc = cmdArgc; wmPtr->cmdArgv = cmdArgv; if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XSetCommand(winPtr->display, winPtr->window, cmdArgv, cmdArgc); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmDeiconifyCmd -- * * This procedure is invoked to process the "wm deiconify" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmDeiconifyCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } if (wmPtr->iconFor != NULL) { Tcl_AppendResult(interp, "can't deiconify ", Tcl_GetString(objv[2]), ": it is an icon for ", Tk_PathName(wmPtr->iconFor), (char *) NULL); return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { Tcl_AppendResult(interp, "can't deiconify ", winPtr->pathName, ": it is an embedded window", (char *) NULL); return TCL_ERROR; } if (wmPtr->flags & WM_TRANSIENT_WITHDRAWN) { wmPtr->flags &= ~WM_TRANSIENT_WITHDRAWN; } /* * If WM_UPDATE_PENDING is true, a pending UpdateGeometryInfo may * need to be called first to update a withdrawn toplevel's geometry * before it is deiconified by TkpWmSetState. * Don't bother if we've never been mapped. */ if ((wmPtr->flags & WM_UPDATE_PENDING) && !(wmPtr->flags & WM_NEVER_MAPPED)) { Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr); UpdateGeometryInfo((ClientData) winPtr); } /* * If we were in the ZoomState (maximized), 'wm deiconify' * should not cause the window to shrink */ if (wmPtr->hints.initial_state == ZoomState) { TkpWmSetState(winPtr, ZoomState); } else { TkpWmSetState(winPtr, NormalState); } /* * An unmapped window will be mapped at idle time * by a call to MapFrame. That calls CreateWrapper * which sets the focus and raises the window. */ if (wmPtr->flags & WM_NEVER_MAPPED) { return TCL_OK; } /* * Follow Windows-like style here, raising the window to the top. */ TkWmRestackToplevel(winPtr, Above, NULL); if (!(Tk_Attributes((Tk_Window) winPtr)->override_redirect)) { TkSetFocusWin(winPtr, 1); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmFocusmodelCmd -- * * This procedure is invoked to process the "wm focusmodel" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmFocusmodelCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; static CONST char *optionStrings[] = { "active", "passive", (char *) NULL }; enum options { OPT_ACTIVE, OPT_PASSIVE }; int index; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?active|passive?"); return TCL_ERROR; } if (objc == 3) { Tcl_SetResult(interp, (wmPtr->hints.input ? "passive" : "active"), TCL_STATIC); return TCL_OK; } if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0, &index) != TCL_OK) { return TCL_ERROR; } if (index == OPT_ACTIVE) { wmPtr->hints.input = False; } else { /* OPT_PASSIVE */ wmPtr->hints.input = True; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmFrameCmd -- * * This procedure is invoked to process the "wm frame" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmFrameCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; HWND hwnd; char buf[TCL_INTEGER_SPACE]; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } if (Tk_WindowId((Tk_Window) winPtr) == None) { Tk_MakeWindowExist((Tk_Window) winPtr); } hwnd = wmPtr->wrapper; if (hwnd == NULL) { hwnd = Tk_GetHWND(Tk_WindowId((Tk_Window) winPtr)); } sprintf(buf, "0x%x", (unsigned int) hwnd); Tcl_SetResult(interp, buf, TCL_VOLATILE); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmGeometryCmd -- * * This procedure is invoked to process the "wm geometry" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmGeometryCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; char xSign, ySign; int width, height; char *argv3; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newGeometry?"); return TCL_ERROR; } if (objc == 3) { char buf[16 + TCL_INTEGER_SPACE * 4]; xSign = (wmPtr->flags & WM_NEGATIVE_X) ? '-' : '+'; ySign = (wmPtr->flags & WM_NEGATIVE_Y) ? '-' : '+'; if (wmPtr->gridWin != NULL) { width = wmPtr->reqGridWidth + (winPtr->changes.width - winPtr->reqWidth)/wmPtr->widthInc; height = wmPtr->reqGridHeight + (winPtr->changes.height - winPtr->reqHeight)/wmPtr->heightInc; } else { width = winPtr->changes.width; height = winPtr->changes.height; } sprintf(buf, "%dx%d%c%d%c%d", width, height, xSign, wmPtr->x, ySign, wmPtr->y); Tcl_SetResult(interp, buf, TCL_VOLATILE); return TCL_OK; } argv3 = Tcl_GetString(objv[3]); if (*argv3 == '\0') { wmPtr->width = -1; wmPtr->height = -1; WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } return ParseGeometry(interp, argv3, winPtr); } /* *---------------------------------------------------------------------- * * WmGridCmd -- * * This procedure is invoked to process the "wm grid" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmGridCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int reqWidth, reqHeight, widthInc, heightInc; if ((objc != 3) && (objc != 7)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?baseWidth baseHeight widthInc heightInc?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->sizeHintsFlags & PBaseSize) { char buf[TCL_INTEGER_SPACE * 4]; sprintf(buf, "%d %d %d %d", wmPtr->reqGridWidth, wmPtr->reqGridHeight, wmPtr->widthInc, wmPtr->heightInc); Tcl_SetResult(interp, buf, TCL_VOLATILE); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { /* * Turn off gridding and reset the width and height * to make sense as ungridded numbers. */ wmPtr->sizeHintsFlags &= ~(PBaseSize|PResizeInc); if (wmPtr->width != -1) { wmPtr->width = winPtr->reqWidth + (wmPtr->width - wmPtr->reqGridWidth)*wmPtr->widthInc; wmPtr->height = winPtr->reqHeight + (wmPtr->height - wmPtr->reqGridHeight)*wmPtr->heightInc; } wmPtr->widthInc = 1; wmPtr->heightInc = 1; } else { if ((Tcl_GetIntFromObj(interp, objv[3], &reqWidth) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &reqHeight) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[5], &widthInc) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[6], &heightInc) != TCL_OK)) { return TCL_ERROR; } if (reqWidth < 0) { Tcl_SetResult(interp, "baseWidth can't be < 0", TCL_STATIC); return TCL_ERROR; } if (reqHeight < 0) { Tcl_SetResult(interp, "baseHeight can't be < 0", TCL_STATIC); return TCL_ERROR; } if (widthInc < 0) { Tcl_SetResult(interp, "widthInc can't be < 0", TCL_STATIC); return TCL_ERROR; } if (heightInc < 0) { Tcl_SetResult(interp, "heightInc can't be < 0", TCL_STATIC); return TCL_ERROR; } Tk_SetGrid((Tk_Window) winPtr, reqWidth, reqHeight, widthInc, heightInc); } WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmGroupCmd -- * * This procedure is invoked to process the "wm group" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmGroupCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; Tk_Window tkwin2; char *argv3; int length; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?pathName?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->hints.flags & WindowGroupHint) { Tcl_SetResult(interp, wmPtr->leaderName, TCL_STATIC); } return TCL_OK; } argv3 = Tcl_GetStringFromObj(objv[3], &length); if (*argv3 == '\0') { wmPtr->hints.flags &= ~WindowGroupHint; if (wmPtr->leaderName != NULL) { ckfree(wmPtr->leaderName); } wmPtr->leaderName = NULL; } else { if (TkGetWindowFromObj(interp, tkwin, objv[3], &tkwin2) != TCL_OK) { return TCL_ERROR; } Tk_MakeWindowExist(tkwin2); if (wmPtr->leaderName != NULL) { ckfree(wmPtr->leaderName); } wmPtr->hints.window_group = Tk_WindowId(tkwin2); wmPtr->hints.flags |= WindowGroupHint; wmPtr->leaderName = ckalloc((unsigned) (length + 1)); strcpy(wmPtr->leaderName, argv3); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconbitmapCmd -- * * This procedure is invoked to process the "wm iconbitmap" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconbitmapCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; /* If true, then set for all windows. */ int isDefault = 0; char *string; if ((objc < 3) || (objc > 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?-default? ?image?"); return TCL_ERROR; } else if (objc == 5) { /* If we have 5 arguments, we must have a '-default' flag */ char *argv3 = Tcl_GetString(objv[3]); if (strcmp(argv3, "-default")) { Tcl_AppendResult(interp, "illegal option \"", argv3, "\" must be \"-default\"", (char *) NULL); return TCL_ERROR; } isDefault = 1; } else if (objc == 3) { /* No arguments were given */ if (wmPtr->hints.flags & IconPixmapHint) { Tcl_SetResult(interp, (char *) Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_pixmap), TCL_STATIC); } return TCL_OK; } string = Tcl_GetString(objv[objc-1]); if (*string == '\0') { if (wmPtr->hints.icon_pixmap != None) { Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap); wmPtr->hints.icon_pixmap = None; } wmPtr->hints.flags &= ~IconPixmapHint; if (WinSetIcon(interp, NULL, (isDefault ? NULL : (Tk_Window) winPtr)) != TCL_OK) { return TCL_ERROR; } } else { /* * In the future this block of code will use Tk's 'image' * functionality to allow all supported image formats. * However, this will require a change to the way icons are * handled. We will need to add icon<->image conversions * routines. * * Until that happens we simply try to find an icon in the * given argument, and if that fails, we use the older * bitmap code. We do things this way round (icon then * bitmap), because the bitmap code actually seems to have * no visible effect, so we want to give the icon code the * first try at doing something. */ /* * Either return NULL, or return a valid titlebaricon with its * ref count already incremented. */ WinIconPtr titlebaricon = ReadIconFromFile(interp, objv[objc-1]); if (titlebaricon != NULL) { /* * Try to set the icon for the window. If it is a '-default' * icon, we must pass in NULL */ if (WinSetIcon(interp, titlebaricon, (isDefault ? NULL : (Tk_Window) winPtr)) != TCL_OK) { /* We didn't use the titlebaricon after all */ DecrIconRefCount(titlebaricon); titlebaricon = NULL; } } if (titlebaricon == NULL) { /* * We didn't manage to handle the argument as a valid * icon. Try as a bitmap. First we must clear the * error message which was placed in the interpreter */ Pixmap pixmap; Tcl_ResetResult(interp); pixmap = Tk_GetBitmap(interp, (Tk_Window) winPtr, string); if (pixmap == None) { return TCL_ERROR; } wmPtr->hints.icon_pixmap = pixmap; wmPtr->hints.flags |= IconPixmapHint; titlebaricon = GetIconFromPixmap(Tk_Display(winPtr), pixmap); if (titlebaricon != NULL) { if (WinSetIcon(interp, titlebaricon, (isDefault ? NULL : (Tk_Window) winPtr)) != TCL_OK) { /* We didn't use the titlebaricon after all */ DecrIconRefCount(titlebaricon); titlebaricon = NULL; } } } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconifyCmd -- * * This procedure is invoked to process the "wm iconify" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconifyCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) { Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName, "\": override-redirect flag is set", (char *) NULL); return TCL_ERROR; } if (wmPtr->masterPtr != NULL) { Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName, "\": it is a transient", (char *) NULL); return TCL_ERROR; } if (wmPtr->iconFor != NULL) { Tcl_AppendResult(interp, "can't iconify ", winPtr->pathName, ": it is an icon for ", Tk_PathName(wmPtr->iconFor), (char *) NULL); return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { Tcl_AppendResult(interp, "can't iconify ", winPtr->pathName, ": it is an embedded window", (char *) NULL); return TCL_ERROR; } TkpWmSetState(winPtr, IconicState); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconmaskCmd -- * * This procedure is invoked to process the "wm iconmask" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconmaskCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; Pixmap pixmap; char *argv3; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?bitmap?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->hints.flags & IconMaskHint) { Tcl_SetResult(interp, (char *) Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_mask), TCL_STATIC); } return TCL_OK; } argv3 = Tcl_GetString(objv[3]); if (*argv3 == '\0') { if (wmPtr->hints.icon_mask != None) { Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_mask); } wmPtr->hints.flags &= ~IconMaskHint; } else { pixmap = Tk_GetBitmap(interp, tkwin, argv3); if (pixmap == None) { return TCL_ERROR; } wmPtr->hints.icon_mask = pixmap; wmPtr->hints.flags |= IconMaskHint; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconnameCmd -- * * This procedure is invoked to process the "wm iconname" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconnameCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; char *argv3; int length; if (objc > 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newName?"); return TCL_ERROR; } if (objc == 3) { Tcl_SetResult(interp, ((wmPtr->iconName != NULL) ? wmPtr->iconName : ""), TCL_STATIC); return TCL_OK; } else { if (wmPtr->iconName != NULL) { ckfree((char *) wmPtr->iconName); } argv3 = Tcl_GetStringFromObj(objv[3], &length); wmPtr->iconName = ckalloc((unsigned) (length + 1)); strcpy(wmPtr->iconName, argv3); if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XSetIconName(winPtr->display, winPtr->window, wmPtr->iconName); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconpositionCmd -- * * This procedure is invoked to process the "wm iconposition" * Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconpositionCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int x, y; if ((objc != 3) && (objc != 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?x y?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->hints.flags & IconPositionHint) { char buf[TCL_INTEGER_SPACE * 2]; sprintf(buf, "%d %d", wmPtr->hints.icon_x, wmPtr->hints.icon_y); Tcl_SetResult(interp, buf, TCL_VOLATILE); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->hints.flags &= ~IconPositionHint; } else { if ((Tcl_GetIntFromObj(interp, objv[3], &x) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &y) != TCL_OK)){ return TCL_ERROR; } wmPtr->hints.icon_x = x; wmPtr->hints.icon_y = y; wmPtr->hints.flags |= IconPositionHint; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconwindowCmd -- * * This procedure is invoked to process the "wm iconwindow" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconwindowCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; Tk_Window tkwin2; WmInfo *wmPtr2; XSetWindowAttributes atts; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?pathName?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->icon != NULL) { Tcl_SetResult(interp, Tk_PathName(wmPtr->icon), TCL_STATIC); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->hints.flags &= ~IconWindowHint; if (wmPtr->icon != NULL) { /* * Let the window use button events again, then remove * it as icon window. */ atts.event_mask = Tk_Attributes(wmPtr->icon)->event_mask | ButtonPressMask; Tk_ChangeWindowAttributes(wmPtr->icon, CWEventMask, &atts); wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr; wmPtr2->iconFor = NULL; wmPtr2->hints.initial_state = WithdrawnState; } wmPtr->icon = NULL; } else { if (TkGetWindowFromObj(interp, tkwin, objv[3], &tkwin2) != TCL_OK) { return TCL_ERROR; } if (!Tk_IsTopLevel(tkwin2)) { Tcl_AppendResult(interp, "can't use ", Tcl_GetString(objv[3]), " as icon window: not at top level", (char *) NULL); return TCL_ERROR; } wmPtr2 = ((TkWindow *) tkwin2)->wmInfoPtr; if (wmPtr2->iconFor != NULL) { Tcl_AppendResult(interp, Tcl_GetString(objv[3]), " is already an icon for ", Tk_PathName(wmPtr2->iconFor), (char *) NULL); return TCL_ERROR; } if (wmPtr->icon != NULL) { WmInfo *wmPtr3 = ((TkWindow *) wmPtr->icon)->wmInfoPtr; wmPtr3->iconFor = NULL; /* * Let the window use button events again. */ atts.event_mask = Tk_Attributes(wmPtr->icon)->event_mask | ButtonPressMask; Tk_ChangeWindowAttributes(wmPtr->icon, CWEventMask, &atts); } /* * Disable button events in the icon window: some window * managers (like olvwm) want to get the events themselves, * but X only allows one application at a time to receive * button events for a window. */ atts.event_mask = Tk_Attributes(tkwin2)->event_mask & ~ButtonPressMask; Tk_ChangeWindowAttributes(tkwin2, CWEventMask, &atts); Tk_MakeWindowExist(tkwin2); wmPtr->hints.icon_window = Tk_WindowId(tkwin2); wmPtr->hints.flags |= IconWindowHint; wmPtr->icon = tkwin2; wmPtr2->iconFor = (Tk_Window) winPtr; if (!(wmPtr2->flags & WM_NEVER_MAPPED)) { if (XWithdrawWindow(Tk_Display(tkwin2), Tk_WindowId(tkwin2), Tk_ScreenNumber(tkwin2)) == 0) { Tcl_SetResult(interp, "couldn't send withdraw message to window manager", TCL_STATIC); return TCL_ERROR; } } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmMaxsizeCmd -- * * This procedure is invoked to process the "wm maxsize" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmMaxsizeCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int width, height; if ((objc != 3) && (objc != 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?"); return TCL_ERROR; } if (objc == 3) { char buf[TCL_INTEGER_SPACE * 2]; GetMaxSize(wmPtr, &width, &height); sprintf(buf, "%d %d", width, height); Tcl_SetResult(interp, buf, TCL_VOLATILE); return TCL_OK; } if ((Tcl_GetIntFromObj(interp, objv[3], &width) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &height) != TCL_OK)) { return TCL_ERROR; } wmPtr->maxWidth = width; wmPtr->maxHeight = height; WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmMinsizeCmd -- * * This procedure is invoked to process the "wm minsize" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmMinsizeCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int width, height; if ((objc != 3) && (objc != 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?"); return TCL_ERROR; } if (objc == 3) { char buf[TCL_INTEGER_SPACE * 2]; GetMinSize(wmPtr, &width, &height); sprintf(buf, "%d %d", width, height); Tcl_SetResult(interp, buf, TCL_VOLATILE); return TCL_OK; } if ((Tcl_GetIntFromObj(interp, objv[3], &width) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &height) != TCL_OK)) { return TCL_ERROR; } wmPtr->minWidth = width; wmPtr->minHeight = height; WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmOverrideredirectCmd -- * * This procedure is invoked to process the "wm overrideredirect" * Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmOverrideredirectCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int boolean, curValue; XSetWindowAttributes atts; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?boolean?"); return TCL_ERROR; } curValue = Tk_Attributes((Tk_Window) winPtr)->override_redirect; if (objc == 3) { Tcl_SetBooleanObj(Tcl_GetObjResult(interp), curValue); return TCL_OK; } if (Tcl_GetBooleanFromObj(interp, objv[3], &boolean) != TCL_OK) { return TCL_ERROR; } if (curValue != boolean) { /* * Only do this if we are really changing value, because it * causes some funky stuff to occur */ atts.override_redirect = (boolean) ? True : False; Tk_ChangeWindowAttributes((Tk_Window) winPtr, CWOverrideRedirect, &atts); if (!(wmPtr->flags & (WM_NEVER_MAPPED) && !(winPtr->flags & TK_EMBEDDED))) { UpdateWrapper(winPtr); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmPositionfromCmd -- * * This procedure is invoked to process the "wm positionfrom" * Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmPositionfromCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; static CONST char *optionStrings[] = { "program", "user", (char *) NULL }; enum options { OPT_PROGRAM, OPT_USER }; int index; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?user/program?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->sizeHintsFlags & USPosition) { Tcl_SetResult(interp, "user", TCL_STATIC); } else if (wmPtr->sizeHintsFlags & PPosition) { Tcl_SetResult(interp, "program", TCL_STATIC); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->sizeHintsFlags &= ~(USPosition|PPosition); } else { if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0, &index) != TCL_OK) { return TCL_ERROR; } if (index == OPT_USER) { wmPtr->sizeHintsFlags &= ~PPosition; wmPtr->sizeHintsFlags |= USPosition; } else { wmPtr->sizeHintsFlags &= ~USPosition; wmPtr->sizeHintsFlags |= PPosition; } } WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmProtocolCmd -- * * This procedure is invoked to process the "wm protocol" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmProtocolCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; register ProtocolHandler *protPtr, *prevPtr; Atom protocol; char *cmd; int cmdLength; if ((objc < 3) || (objc > 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?name? ?command?"); return TCL_ERROR; } if (objc == 3) { /* * Return a list of all defined protocols for the window. */ for (protPtr = wmPtr->protPtr; protPtr != NULL; protPtr = protPtr->nextPtr) { Tcl_AppendElement(interp, Tk_GetAtomName((Tk_Window) winPtr, protPtr->protocol)); } return TCL_OK; } protocol = Tk_InternAtom((Tk_Window) winPtr, Tcl_GetString(objv[3])); if (objc == 4) { /* * Return the command to handle a given protocol. */ for (protPtr = wmPtr->protPtr; protPtr != NULL; protPtr = protPtr->nextPtr) { if (protPtr->protocol == protocol) { Tcl_SetResult(interp, protPtr->command, TCL_STATIC); return TCL_OK; } } return TCL_OK; } /* * Delete any current protocol handler, then create a new * one with the specified command, unless the command is * empty. */ for (protPtr = wmPtr->protPtr, prevPtr = NULL; protPtr != NULL; prevPtr = protPtr, protPtr = protPtr->nextPtr) { if (protPtr->protocol == protocol) { if (prevPtr == NULL) { wmPtr->protPtr = protPtr->nextPtr; } else { prevPtr->nextPtr = protPtr->nextPtr; } Tcl_EventuallyFree((ClientData) protPtr, TCL_DYNAMIC); break; } } cmd = Tcl_GetStringFromObj(objv[4], &cmdLength); if (cmdLength > 0) { protPtr = (ProtocolHandler *) ckalloc(HANDLER_SIZE(cmdLength)); protPtr->protocol = protocol; protPtr->nextPtr = wmPtr->protPtr; wmPtr->protPtr = protPtr; protPtr->interp = interp; strcpy(protPtr->command, cmd); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmResizableCmd -- * * This procedure is invoked to process the "wm resizable" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmResizableCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int width, height; if ((objc != 3) && (objc != 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?"); return TCL_ERROR; } if (objc == 3) { char buf[TCL_INTEGER_SPACE * 2]; sprintf(buf, "%d %d", (wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) ? 0 : 1, (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) ? 0 : 1); Tcl_SetResult(interp, buf, TCL_VOLATILE); return TCL_OK; } if ((Tcl_GetBooleanFromObj(interp, objv[3], &width) != TCL_OK) || (Tcl_GetBooleanFromObj(interp, objv[4], &height) != TCL_OK)) { return TCL_ERROR; } if (width) { wmPtr->flags &= ~WM_WIDTH_NOT_RESIZABLE; } else { wmPtr->flags |= WM_WIDTH_NOT_RESIZABLE; } if (height) { wmPtr->flags &= ~WM_HEIGHT_NOT_RESIZABLE; } else { wmPtr->flags |= WM_HEIGHT_NOT_RESIZABLE; } if (!((wmPtr->flags & WM_NEVER_MAPPED) && !(winPtr->flags & TK_EMBEDDED))) { UpdateWrapper(winPtr); } WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmSizefromCmd -- * * This procedure is invoked to process the "wm sizefrom" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmSizefromCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; static CONST char *optionStrings[] = { "program", "user", (char *) NULL }; enum options { OPT_PROGRAM, OPT_USER }; int index; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?user|program?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->sizeHintsFlags & USSize) { Tcl_SetResult(interp, "user", TCL_STATIC); } else if (wmPtr->sizeHintsFlags & PSize) { Tcl_SetResult(interp, "program", TCL_STATIC); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->sizeHintsFlags &= ~(USSize|PSize); } else { if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0, &index) != TCL_OK) { return TCL_ERROR; } if (index == OPT_USER) { wmPtr->sizeHintsFlags &= ~PSize; wmPtr->sizeHintsFlags |= USSize; } else { /* OPT_PROGRAM */ wmPtr->sizeHintsFlags &= ~USSize; wmPtr->sizeHintsFlags |= PSize; } } WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmStackorderCmd -- * * This procedure is invoked to process the "wm stackorder" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmStackorderCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { TkWindow **windows, **window_ptr; static CONST char *optionStrings[] = { "isabove", "isbelow", (char *) NULL }; enum options { OPT_ISABOVE, OPT_ISBELOW }; int index; if ((objc != 3) && (objc != 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?isabove|isbelow window?"); return TCL_ERROR; } if (objc == 3) { windows = TkWmStackorderToplevel(winPtr); if (windows == NULL) { panic("TkWmStackorderToplevel failed"); } else { for (window_ptr = windows; *window_ptr ; window_ptr++) { Tcl_AppendElement(interp, (*window_ptr)->pathName); } ckfree((char *) windows); return TCL_OK; } } else { TkWindow *winPtr2; int index1=-1, index2=-1, result; if (TkGetWindowFromObj(interp, tkwin, objv[4], (Tk_Window *) &winPtr2) != TCL_OK) { return TCL_ERROR; } if (!Tk_IsTopLevel(winPtr2)) { Tcl_AppendResult(interp, "window \"", winPtr2->pathName, "\" isn't a top-level window", (char *) NULL); return TCL_ERROR; } if (!Tk_IsMapped(winPtr)) { Tcl_AppendResult(interp, "window \"", winPtr->pathName, "\" isn't mapped", (char *) NULL); return TCL_ERROR; } if (!Tk_IsMapped(winPtr2)) { Tcl_AppendResult(interp, "window \"", winPtr2->pathName, "\" isn't mapped", (char *) NULL); return TCL_ERROR; } /* * Lookup stacking order of all toplevels that are children * of "." and find the position of winPtr and winPtr2 * in the stacking order. */ windows = TkWmStackorderToplevel(winPtr->mainPtr->winPtr); if (windows == NULL) { Tcl_AppendResult(interp, "TkWmStackorderToplevel failed", (char *) NULL); return TCL_ERROR; } else { for (window_ptr = windows; *window_ptr ; window_ptr++) { if (*window_ptr == winPtr) index1 = (window_ptr - windows); if (*window_ptr == winPtr2) index2 = (window_ptr - windows); } if (index1 == -1) panic("winPtr window not found"); if (index2 == -1) panic("winPtr2 window not found"); ckfree((char *) windows); } if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0, &index) != TCL_OK) { return TCL_ERROR; } if (index == OPT_ISABOVE) { result = index1 > index2; } else { /* OPT_ISBELOW */ result = index1 < index2; } Tcl_SetIntObj(Tcl_GetObjResult(interp), result); return TCL_OK; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmStateCmd -- * * This procedure is invoked to process the "wm state" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmStateCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; static CONST char *optionStrings[] = { "normal", "iconic", "withdrawn", "zoomed", (char *) NULL }; enum options { OPT_NORMAL, OPT_ICONIC, OPT_WITHDRAWN, OPT_ZOOMED }; int index; if ((objc < 3) || (objc > 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?state?"); return TCL_ERROR; } if (objc == 4) { if (wmPtr->iconFor != NULL) { Tcl_AppendResult(interp, "can't change state of ", Tcl_GetString(objv[2]), ": it is an icon for ", Tk_PathName(wmPtr->iconFor), (char *) NULL); return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { Tcl_AppendResult(interp, "can't change state of ", winPtr->pathName, ": it is an embedded window", (char *) NULL); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0, &index) != TCL_OK) { return TCL_ERROR; } if (index == OPT_NORMAL) { if (wmPtr->flags & WM_TRANSIENT_WITHDRAWN) { wmPtr->flags &= ~WM_TRANSIENT_WITHDRAWN; } TkpWmSetState(winPtr, NormalState); /* * This varies from 'wm deiconify' because it does not * force the window to be raised and receive focus */ } else if (index == OPT_ICONIC) { if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) { Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName, "\": override-redirect flag is set", (char *) NULL); return TCL_ERROR; } if (wmPtr->masterPtr != NULL) { Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName, "\": it is a transient", (char *) NULL); return TCL_ERROR; } TkpWmSetState(winPtr, IconicState); } else if (index == OPT_WITHDRAWN) { if (wmPtr->masterPtr != NULL) { wmPtr->flags |= WM_TRANSIENT_WITHDRAWN; } TkpWmSetState(winPtr, WithdrawnState); } else { /* OPT_ZOOMED */ TkpWmSetState(winPtr, ZoomState); } } else { if (wmPtr->iconFor != NULL) { Tcl_SetResult(interp, "icon", TCL_STATIC); } else { switch (wmPtr->hints.initial_state) { case NormalState: Tcl_SetResult(interp, "normal", TCL_STATIC); break; case IconicState: Tcl_SetResult(interp, "iconic", TCL_STATIC); break; case WithdrawnState: Tcl_SetResult(interp, "withdrawn", TCL_STATIC); break; case ZoomState: Tcl_SetResult(interp, "zoomed", TCL_STATIC); break; } } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmTitleCmd -- * * This procedure is invoked to process the "wm title" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmTitleCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; char *argv3; int length; if (objc > 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newTitle?"); return TCL_ERROR; } if (objc == 3) { Tcl_SetResult(interp, (char *) ((wmPtr->title != NULL) ? wmPtr->title : winPtr->nameUid), TCL_STATIC); return TCL_OK; } else { if (wmPtr->title != NULL) { ckfree((char *) wmPtr->title); } argv3 = Tcl_GetStringFromObj(objv[3], &length); wmPtr->title = ckalloc((unsigned) (length + 1)); strcpy(wmPtr->title, argv3); if (!(wmPtr->flags & WM_NEVER_MAPPED) && wmPtr->wrapper != NULL) { Tcl_DString titleString; Tcl_WinUtfToTChar(wmPtr->title, -1, &titleString); (*tkWinProcs->setWindowText)(wmPtr->wrapper, (LPCTSTR) Tcl_DStringValue(&titleString)); Tcl_DStringFree(&titleString); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmTransientCmd -- * * This procedure is invoked to process the "wm transient" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmTransientCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; TkWindow *masterPtr = wmPtr->masterPtr; WmInfo *wmPtr2; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?master?"); return TCL_ERROR; } if (objc == 3) { if (masterPtr != NULL) { Tcl_SetResult(interp, Tk_PathName(masterPtr), TCL_STATIC); } return TCL_OK; } if (Tcl_GetString(objv[3])[0] == '\0') { if (masterPtr != NULL) { /* * If we had a master, tell them that we aren't tied * to them anymore */ masterPtr->wmInfoPtr->numTransients--; Tk_DeleteEventHandler((Tk_Window) masterPtr, VisibilityChangeMask|StructureNotifyMask, WmWaitVisibilityOrMapProc, (ClientData) winPtr); } wmPtr->masterPtr = NULL; } else { if (TkGetWindowFromObj(interp, tkwin, objv[3], (Tk_Window *) &masterPtr) != TCL_OK) { return TCL_ERROR; } while (!Tk_TopWinHierarchy(masterPtr)) { /* * Ensure that the master window is actually a Tk toplevel. */ masterPtr = masterPtr->parentPtr; } Tk_MakeWindowExist((Tk_Window) masterPtr); if (wmPtr->iconFor != NULL) { Tcl_AppendResult(interp, "can't make \"", Tcl_GetString(objv[2]), "\" a transient: it is an icon for ", Tk_PathName(wmPtr->iconFor), (char *) NULL); return TCL_ERROR; } wmPtr2 = masterPtr->wmInfoPtr; if (wmPtr2->iconFor != NULL) { Tcl_AppendResult(interp, "can't make \"", Tcl_GetString(objv[3]), "\" a master: it is an icon for ", Tk_PathName(wmPtr2->iconFor), (char *) NULL); return TCL_ERROR; } if (masterPtr == winPtr) { Tcl_AppendResult(interp, "can't make \"", Tk_PathName(winPtr), "\" its own master", (char *) NULL); return TCL_ERROR; } else if (masterPtr != wmPtr->masterPtr) { /* * Remove old master map/unmap binding before setting * the new master. The event handler will ensure that * transient states reflect the state of the master. */ if (wmPtr->masterPtr != NULL) { wmPtr->masterPtr->wmInfoPtr->numTransients--; Tk_DeleteEventHandler((Tk_Window) wmPtr->masterPtr, VisibilityChangeMask|StructureNotifyMask, WmWaitVisibilityOrMapProc, (ClientData) winPtr); } masterPtr->wmInfoPtr->numTransients++; Tk_CreateEventHandler((Tk_Window) masterPtr, VisibilityChangeMask|StructureNotifyMask, WmWaitVisibilityOrMapProc, (ClientData) winPtr); wmPtr->masterPtr = masterPtr; } } if (!((wmPtr->flags & WM_NEVER_MAPPED) && !(winPtr->flags & TK_EMBEDDED))) { if (wmPtr->masterPtr != NULL && !Tk_IsMapped(wmPtr->masterPtr)) { TkpWmSetState(winPtr, WithdrawnState); } else { UpdateWrapper(winPtr); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmWithdrawCmd -- * * This procedure is invoked to process the "wm withdraw" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmWithdrawCmd(tkwin, winPtr, interp, objc, objv) Tk_Window tkwin; /* Main window of the application. */ TkWindow *winPtr; /* Toplevel to work with */ Tcl_Interp *interp; /* Current interpreter. */ int objc; /* Number of arguments. */ Tcl_Obj *CONST objv[]; /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } if (wmPtr->iconFor != NULL) { Tcl_AppendResult(interp, "can't withdraw ", Tcl_GetString(objv[2]), ": it is an icon for ", Tk_PathName(wmPtr->iconFor), (char *) NULL); return TCL_ERROR; } if (wmPtr->masterPtr != NULL) { wmPtr->flags |= WM_TRANSIENT_WITHDRAWN; } TkpWmSetState(winPtr, WithdrawnState); return TCL_OK; } /* * Invoked by those wm subcommands that affect geometry. * Schedules a geometry update. */ static void WmUpdateGeom(wmPtr, winPtr) WmInfo *wmPtr; TkWindow *winPtr; { if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /*ARGSUSED*/ static void WmWaitVisibilityOrMapProc(clientData, eventPtr) ClientData clientData; /* Pointer to window. */ XEvent *eventPtr; /* Information about event. */ { TkWindow *winPtr = (TkWindow *) clientData; TkWindow *masterPtr = winPtr->wmInfoPtr->masterPtr; if (masterPtr == NULL) return; if (eventPtr->type == MapNotify) { if (!(winPtr->wmInfoPtr->flags & WM_TRANSIENT_WITHDRAWN)) TkpWmSetState(winPtr, NormalState); } else if (eventPtr->type == UnmapNotify) { TkpWmSetState(winPtr, WithdrawnState); } if (eventPtr->type == VisibilityNotify) { int state = masterPtr->wmInfoPtr->hints.initial_state; if ((state == NormalState) || (state == ZoomState)) { state = winPtr->wmInfoPtr->hints.initial_state; if ((state == NormalState) || (state == ZoomState)) { UpdateWrapper(winPtr); } } } } /* *---------------------------------------------------------------------- * * Tk_SetGrid -- * * This procedure is invoked by a widget when it wishes to set a grid * coordinate system that controls the size of a top-level window. * It provides a C interface equivalent to the "wm grid" command and * is usually asscoiated with the -setgrid option. * * Results: * None. * * Side effects: * Grid-related information will be passed to the window manager, so * that the top-level window associated with tkwin will resize on * even grid units. If some other window already controls gridding * for the top-level window then this procedure call has no effect. * *---------------------------------------------------------------------- */ void Tk_SetGrid(tkwin, reqWidth, reqHeight, widthInc, heightInc) Tk_Window tkwin; /* Token for window. New window mgr info * will be posted for the top-level window * associated with this window. */ int reqWidth; /* Width (in grid units) corresponding to * the requested geometry for tkwin. */ int reqHeight; /* Height (in grid units) corresponding to * the requested geometry for tkwin. */ int widthInc, heightInc; /* Pixel increments corresponding to a * change of one grid unit. */ { TkWindow *winPtr = (TkWindow *) tkwin; register WmInfo *wmPtr; /* * Find the top-level window for tkwin, plus the window manager * information. */ while (!(winPtr->flags & TK_TOP_HIERARCHY)) { winPtr = winPtr->parentPtr; } wmPtr = winPtr->wmInfoPtr; if (wmPtr == NULL) { return; } if ((wmPtr->gridWin != NULL) && (wmPtr->gridWin != tkwin)) { return; } if ((wmPtr->reqGridWidth == reqWidth) && (wmPtr->reqGridHeight == reqHeight) && (wmPtr->widthInc == widthInc) && (wmPtr->heightInc == heightInc) && ((wmPtr->sizeHintsFlags & (PBaseSize|PResizeInc)) == (PBaseSize|PResizeInc))) { return; } /* * If gridding was previously off, then forget about any window * size requests made by the user or via "wm geometry": these are * in pixel units and there's no easy way to translate them to * grid units since the new requested size of the top-level window in * pixels may not yet have been registered yet (it may filter up * the hierarchy in DoWhenIdle handlers). However, if the window * has never been mapped yet then just leave the window size alone: * assume that it is intended to be in grid units but just happened * to have been specified before this procedure was called. */ if ((wmPtr->gridWin == NULL) && !(wmPtr->flags & WM_NEVER_MAPPED)) { wmPtr->width = -1; wmPtr->height = -1; } /* * Set the new gridding information, and start the process of passing * all of this information to the window manager. */ wmPtr->gridWin = tkwin; wmPtr->reqGridWidth = reqWidth; wmPtr->reqGridHeight = reqHeight; wmPtr->widthInc = widthInc; wmPtr->heightInc = heightInc; wmPtr->sizeHintsFlags |= PBaseSize|PResizeInc; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * Tk_UnsetGrid -- * * This procedure cancels the effect of a previous call * to Tk_SetGrid. * * Results: * None. * * Side effects: * If tkwin currently controls gridding for its top-level window, * gridding is cancelled for that top-level window; if some other * window controls gridding then this procedure has no effect. * *---------------------------------------------------------------------- */ void Tk_UnsetGrid(tkwin) Tk_Window tkwin; /* Token for window that is currently * controlling gridding. */ { TkWindow *winPtr = (TkWindow *) tkwin; register WmInfo *wmPtr; /* * Find the top-level window for tkwin, plus the window manager * information. */ while (!(winPtr->flags & TK_TOP_HIERARCHY)) { winPtr = winPtr->parentPtr; } wmPtr = winPtr->wmInfoPtr; if (wmPtr == NULL) { return; } if (tkwin != wmPtr->gridWin) { return; } wmPtr->gridWin = NULL; wmPtr->sizeHintsFlags &= ~(PBaseSize|PResizeInc); if (wmPtr->width != -1) { wmPtr->width = winPtr->reqWidth + (wmPtr->width - wmPtr->reqGridWidth)*wmPtr->widthInc; wmPtr->height = winPtr->reqHeight + (wmPtr->height - wmPtr->reqGridHeight)*wmPtr->heightInc; } wmPtr->widthInc = 1; wmPtr->heightInc = 1; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * TopLevelEventProc -- * * This procedure is invoked when a top-level (or other externally- * managed window) is restructured in any way. * * Results: * None. * * Side effects: * Tk's internal data structures for the window get modified to * reflect the structural change. * *---------------------------------------------------------------------- */ static void TopLevelEventProc(clientData, eventPtr) ClientData clientData; /* Window for which event occurred. */ XEvent *eventPtr; /* Event that just happened. */ { register TkWindow *winPtr = (TkWindow *) clientData; if (eventPtr->type == DestroyNotify) { Tk_ErrorHandler handler; if (!(winPtr->flags & TK_ALREADY_DEAD)) { /* * A top-level window was deleted externally (e.g., by the window * manager). This is probably not a good thing, but cleanup as * best we can. The error handler is needed because * Tk_DestroyWindow will try to destroy the window, but of course * it's already gone. */ handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1, (Tk_ErrorProc *) NULL, (ClientData) NULL); Tk_DestroyWindow((Tk_Window) winPtr); Tk_DeleteErrorHandler(handler); } } else if (eventPtr->type == ConfigureNotify) { WmInfo *wmPtr; wmPtr = winPtr->wmInfoPtr; if (winPtr->flags & TK_EMBEDDED) { Tk_Window tkwin = (Tk_Window)winPtr; SendMessage(wmPtr->wrapper, TK_GEOMETRYREQ, Tk_ReqWidth(tkwin), Tk_ReqHeight(tkwin)); } } } /* *---------------------------------------------------------------------- * * TopLevelReqProc -- * * This procedure is invoked by the geometry manager whenever * the requested size for a top-level window is changed. * * Results: * None. * * Side effects: * Arrange for the window to be resized to satisfy the request * (this happens as a when-idle action). * *---------------------------------------------------------------------- */ /* ARGSUSED */ static void TopLevelReqProc(dummy, tkwin) ClientData dummy; /* Not used. */ Tk_Window tkwin; /* Information about window. */ { TkWindow *winPtr = (TkWindow *) tkwin; WmInfo *wmPtr; wmPtr = winPtr->wmInfoPtr; if ((winPtr->flags & TK_EMBEDDED) && (wmPtr->wrapper != NULL)) { SendMessage(wmPtr->wrapper, TK_GEOMETRYREQ, Tk_ReqWidth(tkwin), Tk_ReqHeight(tkwin)); } if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * UpdateGeometryInfo -- * * This procedure is invoked when a top-level window is first * mapped, and also as a when-idle procedure, to bring the * geometry and/or position of a top-level window back into * line with what has been requested by the user and/or widgets. * This procedure doesn't return until the system has * responded to the geometry change. * * Results: * None. * * Side effects: * The window's size and location may change, unless the WM prevents * that from happening. * *---------------------------------------------------------------------- */ static void UpdateGeometryInfo(clientData) ClientData clientData; /* Pointer to the window's record. */ { int x, y; /* Position of border on desktop. */ int width, height; /* Size of client area. */ RECT rect; register TkWindow *winPtr = (TkWindow *) clientData; register WmInfo *wmPtr = winPtr->wmInfoPtr; wmPtr->flags &= ~WM_UPDATE_PENDING; /* * If the window is minimized or maximized, we should not update * our geometry since it will end up with the wrong values. * ConfigureToplevel will reschedule UpdateGeometryInfo when the * state of the window changes. */ if (IsIconic(wmPtr->wrapper) || IsZoomed(wmPtr->wrapper)) { return; } /* * Compute the border size for the current window style. This * size will include the resize handles, the title bar and the * menubar. Note that this size will not be correct if the * menubar spans multiple lines. The height will be off by a * multiple of the menubar height. It really only measures the * minimum size of the border. */ rect.left = rect.right = rect.top = rect.bottom = 0; AdjustWindowRectEx(&rect, wmPtr->style, wmPtr->hMenu != NULL, wmPtr->exStyle); wmPtr->borderWidth = rect.right - rect.left; wmPtr->borderHeight = rect.bottom - rect.top; /* * Compute the new size for the top-level window. See the * user documentation for details on this, but the size * requested depends on (a) the size requested internally * by the window's widgets, (b) the size requested by the * user in a "wm geometry" command or via wm-based interactive * resizing (if any), and (c) whether or not the window is * gridded. Don't permit sizes <= 0 because this upsets * the X server. */ if (wmPtr->width == -1) { width = winPtr->reqWidth; } else if (wmPtr->gridWin != NULL) { width = winPtr->reqWidth + (wmPtr->width - wmPtr->reqGridWidth)*wmPtr->widthInc; } else { width = wmPtr->width; } if (width <= 0) { width = 1; } if (wmPtr->height == -1) { height = winPtr->reqHeight; } else if (wmPtr->gridWin != NULL) { height = winPtr->reqHeight + (wmPtr->height - wmPtr->reqGridHeight)*wmPtr->heightInc; } else { height = wmPtr->height; } if (height <= 0) { height = 1; } /* * Compute the new position for the upper-left pixel of the window's * decorative frame. This is tricky, because we need to include the * border widths supplied by a reparented parent in this calculation, * but can't use the parent's current overall size since that may * change as a result of this code. */ if (wmPtr->flags & WM_NEGATIVE_X) { x = DisplayWidth(winPtr->display, winPtr->screenNum) - wmPtr->x - (width + wmPtr->borderWidth); } else { x = wmPtr->x; } if (wmPtr->flags & WM_NEGATIVE_Y) { y = DisplayHeight(winPtr->display, winPtr->screenNum) - wmPtr->y - (height + wmPtr->borderHeight); } else { y = wmPtr->y; } /* * If this window is embedded and the container is also in this * process, we don't need to do anything special about the * geometry, except to make sure that the desired size is known * by the container. Also, zero out any position information, * since embedded windows are not allowed to move. */ if (winPtr->flags & TK_BOTH_HALVES) { wmPtr->x = wmPtr->y = 0; wmPtr->flags &= ~(WM_NEGATIVE_X|WM_NEGATIVE_Y); Tk_GeometryRequest((Tk_Window) TkpGetOtherWindow(winPtr), width, height); return; } /* * Reconfigure the window if it isn't already configured correctly. Base * the size check on what we *asked for* last time, not what we got. * Return immediately if there have been no changes in the requested * geometry of the toplevel. */ /* TODO: need to add flag for possible menu size change */ if (!((wmPtr->flags & WM_MOVE_PENDING) || (width != wmPtr->configWidth) || (height != wmPtr->configHeight))) { return; } wmPtr->flags &= ~WM_MOVE_PENDING; wmPtr->configWidth = width; wmPtr->configHeight = height; /* * Don't bother moving the window if we are in the process of * creating it. Just update the geometry info based on what * we asked for. */ if (wmPtr->flags & WM_CREATE_PENDING) { winPtr->changes.x = x; winPtr->changes.y = y; winPtr->changes.width = width; winPtr->changes.height = height; return; } wmPtr->flags |= WM_SYNC_PENDING; if (winPtr->flags & TK_EMBEDDED) { /* * The wrapper window is in a different process, so we need * to send it a geometry request. This protocol assumes that * the other process understands this Tk message, otherwise * our requested geometry will be ignored. */ SendMessage(wmPtr->wrapper, TK_GEOMETRYREQ, width, height); } else { int reqHeight, reqWidth; RECT windowRect; int menuInc = GetSystemMetrics(SM_CYMENU); int newHeight; /* * We have to keep resizing the window until we get the * requested height in the client area. If the client * area has zero height, then the window rect is too * small by definition. Try increasing the border height * and try again. Once we have a positive size, then * we can adjust the height exactly. If the window * rect comes back smaller than we requested, we have * hit the maximum constraints that Windows imposes. * Once we find a positive client size, the next size * is the one we try no matter what. */ reqHeight = height + wmPtr->borderHeight; reqWidth = width + wmPtr->borderWidth; while (1) { MoveWindow(wmPtr->wrapper, x, y, reqWidth, reqHeight, TRUE); GetWindowRect(wmPtr->wrapper, &windowRect); newHeight = windowRect.bottom - windowRect.top; /* * If the request wasn't satisfied, we have hit an external * constraint and must stop. */ if (newHeight < reqHeight) { break; } /* * Now check the size of the client area against our ideal. */ GetClientRect(wmPtr->wrapper, &windowRect); newHeight = windowRect.bottom - windowRect.top; if (newHeight == height) { /* * We're done. */ break; } else if (newHeight > height) { /* * One last resize to get rid of the extra space. */ menuInc = newHeight - height; reqHeight -= menuInc; if (wmPtr->flags & WM_NEGATIVE_Y) { y += menuInc; } MoveWindow(wmPtr->wrapper, x, y, reqWidth, reqHeight, TRUE); break; } /* * We didn't get enough space to satisfy our requested * height, so the menu must have wrapped. Increase the * size of the window by one menu height and move the * window if it is positioned relative to the lower right * corner of the screen. */ reqHeight += menuInc; if (wmPtr->flags & WM_NEGATIVE_Y) { y -= menuInc; } } if (!(wmPtr->flags & WM_NEVER_MAPPED)) { DrawMenuBar(wmPtr->wrapper); } } wmPtr->flags &= ~WM_SYNC_PENDING; } /* *-------------------------------------------------------------- * * ParseGeometry -- * * This procedure parses a geometry string and updates * information used to control the geometry of a top-level * window. * * Results: * A standard Tcl return value, plus an error message in * the interp's result if an error occurs. * * Side effects: * The size and/or location of winPtr may change. * *-------------------------------------------------------------- */ static int ParseGeometry(interp, string, winPtr) Tcl_Interp *interp; /* Used for error reporting. */ char *string; /* String containing new geometry. Has the * standard form "=wxh+x+y". */ TkWindow *winPtr; /* Pointer to top-level window whose * geometry is to be changed. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int x, y, width, height, flags; char *end; register char *p = string; /* * The leading "=" is optional. */ if (*p == '=') { p++; } /* * Parse the width and height, if they are present. Don't * actually update any of the fields of wmPtr until we've * successfully parsed the entire geometry string. */ width = wmPtr->width; height = wmPtr->height; x = wmPtr->x; y = wmPtr->y; flags = wmPtr->flags; if (isdigit(UCHAR(*p))) { width = strtoul(p, &end, 10); p = end; if (*p != 'x') { goto error; } p++; if (!isdigit(UCHAR(*p))) { goto error; } height = strtoul(p, &end, 10); p = end; } /* * Parse the X and Y coordinates, if they are present. */ if (*p != '\0') { flags &= ~(WM_NEGATIVE_X | WM_NEGATIVE_Y); if (*p == '-') { flags |= WM_NEGATIVE_X; } else if (*p != '+') { goto error; } p++; if (!isdigit(UCHAR(*p)) && (*p != '-')) { goto error; } x = strtol(p, &end, 10); p = end; if (*p == '-') { flags |= WM_NEGATIVE_Y; } else if (*p != '+') { goto error; } p++; if (!isdigit(UCHAR(*p)) && (*p != '-')) { goto error; } y = strtol(p, &end, 10); if (*end != '\0') { goto error; } /* * Assume that the geometry information came from the user, * unless an explicit source has been specified. Otherwise * most window managers assume that the size hints were * program-specified and they ignore them. */ if ((wmPtr->sizeHintsFlags & (USPosition|PPosition)) == 0) { wmPtr->sizeHintsFlags |= USPosition; } } /* * Everything was parsed OK. Update the fields of *wmPtr and * arrange for the appropriate information to be percolated out * to the window manager at the next idle moment. */ wmPtr->width = width; wmPtr->height = height; wmPtr->x = x; wmPtr->y = y; flags |= WM_MOVE_PENDING; wmPtr->flags = flags; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } return TCL_OK; error: Tcl_AppendResult(interp, "bad geometry specifier \"", string, "\"", (char *) NULL); return TCL_ERROR; } /* *---------------------------------------------------------------------- * * Tk_GetRootCoords -- * * Given a token for a window, this procedure traces through the * window's lineage to find the (virtual) root-window coordinates * corresponding to point (0,0) in the window. * * Results: * The locations pointed to by xPtr and yPtr are filled in with * the root coordinates of the (0,0) point in tkwin. * * Side effects: * None. * *---------------------------------------------------------------------- */ void Tk_GetRootCoords(tkwin, xPtr, yPtr) Tk_Window tkwin; /* Token for window. */ int *xPtr; /* Where to store x-displacement of (0,0). */ int *yPtr; /* Where to store y-displacement of (0,0). */ { register TkWindow *winPtr = (TkWindow *) tkwin; /* * If the window is mapped, let Windows figure out the translation. */ if (winPtr->window != None) { HWND hwnd = Tk_GetHWND(winPtr->window); POINT point; point.x = 0; point.y = 0; ClientToScreen(hwnd, &point); *xPtr = point.x; *yPtr = point.y; } else { *xPtr = 0; *yPtr = 0; } } /* *---------------------------------------------------------------------- * * Tk_CoordsToWindow -- * * Given the (virtual) root coordinates of a point, this procedure * returns the token for the top-most window covering that point, * if there exists such a window in this application. * * Results: * The return result is either a token for the window corresponding * to rootX and rootY, or else NULL to indicate that there is no such * window. * * Side effects: * None. * *---------------------------------------------------------------------- */ Tk_Window Tk_CoordsToWindow(rootX, rootY, tkwin) int rootX, rootY; /* Coordinates of point in root window. If * a virtual-root window manager is in use, * these coordinates refer to the virtual * root, not the real root. */ Tk_Window tkwin; /* Token for any window in application; * used to identify the display. */ { POINT pos; HWND hwnd; TkWindow *winPtr; pos.x = rootX; pos.y = rootY; hwnd = WindowFromPoint(pos); winPtr = (TkWindow *) Tk_HWNDToWindow(hwnd); if (winPtr && (winPtr->mainPtr == ((TkWindow *) tkwin)->mainPtr)) { return (Tk_Window) winPtr; } return NULL; } /* *---------------------------------------------------------------------- * * Tk_GetVRootGeometry -- * * This procedure returns information about the virtual root * window corresponding to a particular Tk window. * * Results: * The values at xPtr, yPtr, widthPtr, and heightPtr are set * with the offset and dimensions of the root window corresponding * to tkwin. If tkwin is being managed by a virtual root window * manager these values correspond to the virtual root window being * used for tkwin; otherwise the offsets will be 0 and the * dimensions will be those of the screen. * * Side effects: * Vroot window information is refreshed if it is out of date. * *---------------------------------------------------------------------- */ void Tk_GetVRootGeometry(tkwin, xPtr, yPtr, widthPtr, heightPtr) Tk_Window tkwin; /* Window whose virtual root is to be * queried. */ int *xPtr, *yPtr; /* Store x and y offsets of virtual root * here. */ int *widthPtr, *heightPtr; /* Store dimensions of virtual root here. */ { TkWindow *winPtr = (TkWindow *) tkwin; *xPtr = 0; *yPtr = 0; *widthPtr = DisplayWidth(winPtr->display, winPtr->screenNum); *heightPtr = DisplayHeight(winPtr->display, winPtr->screenNum); } /* *---------------------------------------------------------------------- * * Tk_MoveToplevelWindow -- * * This procedure is called instead of Tk_MoveWindow to adjust * the x-y location of a top-level window. It delays the actual * move to a later time and keeps window-manager information * up-to-date with the move * * Results: * None. * * Side effects: * The window is eventually moved so that its upper-left corner * (actually, the upper-left corner of the window's decorative * frame, if there is one) is at (x,y). * *---------------------------------------------------------------------- */ void Tk_MoveToplevelWindow(tkwin, x, y) Tk_Window tkwin; /* Window to move. */ int x, y; /* New location for window (within * parent). */ { TkWindow *winPtr = (TkWindow *) tkwin; register WmInfo *wmPtr = winPtr->wmInfoPtr; if (!(winPtr->flags & TK_TOP_LEVEL)) { panic("Tk_MoveToplevelWindow called with non-toplevel window"); } wmPtr->x = x; wmPtr->y = y; wmPtr->flags |= WM_MOVE_PENDING; wmPtr->flags &= ~(WM_NEGATIVE_X|WM_NEGATIVE_Y); if ((wmPtr->sizeHintsFlags & (USPosition|PPosition)) == 0) { wmPtr->sizeHintsFlags |= USPosition; } /* * If the window has already been mapped, must bring its geometry * up-to-date immediately, otherwise an event might arrive from the * server that would overwrite wmPtr->x and wmPtr->y and lose the * new position. */ if (!(wmPtr->flags & WM_NEVER_MAPPED)) { if (wmPtr->flags & WM_UPDATE_PENDING) { Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr); } UpdateGeometryInfo((ClientData) winPtr); } } /* *---------------------------------------------------------------------- * * TkWmProtocolEventProc -- * * This procedure is called by the Tk_HandleEvent whenever a * ClientMessage event arrives whose type is "WM_PROTOCOLS". * This procedure handles the message from the window manager * in an appropriate fashion. * * Results: * None. * * Side effects: * Depends on what sort of handler, if any, was set up for the * protocol. * *---------------------------------------------------------------------- */ void TkWmProtocolEventProc(winPtr, eventPtr) TkWindow *winPtr; /* Window to which the event was sent. */ XEvent *eventPtr; /* X event. */ { WmInfo *wmPtr; register ProtocolHandler *protPtr; Atom protocol; int result; Tcl_Interp *interp; wmPtr = winPtr->wmInfoPtr; if (wmPtr == NULL) { return; } protocol = (Atom) eventPtr->xclient.data.l[0]; for (protPtr = wmPtr->protPtr; protPtr != NULL; protPtr = protPtr->nextPtr) { if (protocol == protPtr->protocol) { /* * Cache atom name, as we might destroy the window as a * result of the eval. */ CONST char *name = Tk_GetAtomName((Tk_Window) winPtr, protocol); Tcl_Preserve((ClientData) protPtr); interp = protPtr->interp; Tcl_Preserve((ClientData) interp); result = Tcl_GlobalEval(interp, protPtr->command); if (result != TCL_OK) { Tcl_AddErrorInfo(interp, "\n (command for \""); Tcl_AddErrorInfo(interp, name); Tcl_AddErrorInfo(interp, "\" window manager protocol)"); Tcl_BackgroundError(interp); } Tcl_Release((ClientData) interp); Tcl_Release((ClientData) protPtr); return; } } /* * No handler was present for this protocol. If this is a * WM_DELETE_WINDOW message then just destroy the window. */ if (protocol == Tk_InternAtom((Tk_Window) winPtr, "WM_DELETE_WINDOW")) { Tk_DestroyWindow((Tk_Window) winPtr); } } /* *---------------------------------------------------------------------- * * TkWmStackorderToplevelEnumProc -- * * This procedure is invoked once for each HWND Window on the * display as a result of calling EnumWindows from * TkWmStackorderToplevel. * * Results: * TRUE to request further iteration. * * Side effects: * Adds entries to the passed array of TkWindows. * *---------------------------------------------------------------------- */ BOOL CALLBACK TkWmStackorderToplevelEnumProc(hwnd, lParam) HWND hwnd; /* handle to parent window */ LPARAM lParam; /* application-defined value */ { Tcl_HashEntry *hPtr; TkWindow *childWinPtr; TkWmStackorderToplevelPair *pair = (TkWmStackorderToplevelPair *) lParam; /*fprintf(stderr, "Looking up HWND %d\n", hwnd);*/ hPtr = Tcl_FindHashEntry(pair->table, (char *) hwnd); if (hPtr != NULL) { childWinPtr = (TkWindow *) Tcl_GetHashValue(hPtr); /* Double check that same HWND does not get passed twice */ if (childWinPtr == NULL) { panic("duplicate HWND in TkWmStackorderToplevelEnumProc"); } else { Tcl_SetHashValue(hPtr, NULL); } /*fprintf(stderr, "Found mapped HWND %d -> %x (%s)\n", hwnd, childWinPtr, childWinPtr->pathName);*/ *(pair->window_ptr)-- = childWinPtr; } return TRUE; } /* *---------------------------------------------------------------------- * * TkWmStackorderToplevelWrapperMap -- * * This procedure will create a table that maps the wrapper * HWND id for a toplevel to the TkWindow structure that is wraps. * * Results: * None. * * Side effects: * Adds entries to the passed hashtable. * *---------------------------------------------------------------------- */ static void TkWmStackorderToplevelWrapperMap(winPtr, table) TkWindow *winPtr; /* TkWindow to recurse on */ Tcl_HashTable *table; /* Table to maps HWND to TkWindow */ { TkWindow *childPtr; Tcl_HashEntry *hPtr; HWND wrapper; int newEntry; if (Tk_IsMapped(winPtr) && Tk_IsTopLevel(winPtr) && !Tk_IsEmbedded(winPtr)) { wrapper = TkWinGetWrapperWindow((Tk_Window) winPtr); /*fprintf(stderr, "Mapped HWND %d to %x (%s)\n", wrapper, winPtr, winPtr->pathName);*/ hPtr = Tcl_CreateHashEntry(table, (char *) wrapper, &newEntry); Tcl_SetHashValue(hPtr, winPtr); } for (childPtr = winPtr->childList; childPtr != NULL; childPtr = childPtr->nextPtr) { TkWmStackorderToplevelWrapperMap(childPtr, table); } } /* *---------------------------------------------------------------------- * * TkWmStackorderToplevel -- * * This procedure returns the stack order of toplevel windows. * * Results: * An array of pointers to tk window objects in stacking order * or else NULL if there was an error. * * Side effects: * None. * *---------------------------------------------------------------------- */ TkWindow ** TkWmStackorderToplevel(parentPtr) TkWindow *parentPtr; /* Parent toplevel window. */ { TkWmStackorderToplevelPair pair; TkWindow **windows; Tcl_HashTable table; Tcl_HashEntry *hPtr; Tcl_HashSearch search; /* * Map HWND ids to a TkWindow of the wrapped toplevel. */ Tcl_InitHashTable(&table, TCL_ONE_WORD_KEYS); TkWmStackorderToplevelWrapperMap(parentPtr, &table); windows = (TkWindow **) ckalloc((table.numEntries+1) * sizeof(TkWindow *)); /* * Special cases: If zero or one toplevels were mapped * there is no need to call EnumWindows. */ switch (table.numEntries) { case 0: windows[0] = NULL; goto done; case 1: hPtr = Tcl_FirstHashEntry(&table, &search); windows[0] = (TkWindow *) Tcl_GetHashValue(hPtr); windows[1] = NULL; goto done; } /* * We will be inserting into the array starting at the end * and working our way to the beginning since EnumWindows * returns windows in highest to lowest order. */ pair.table = &table; pair.window_ptr = windows + table.numEntries; *pair.window_ptr-- = NULL; if (EnumWindows((WNDENUMPROC) TkWmStackorderToplevelEnumProc, (LPARAM) &pair) == 0) { ckfree((char *) windows); windows = NULL; } else { if (pair.window_ptr != (windows-1)) panic("num matched toplevel windows does not equal num children"); } done: Tcl_DeleteHashTable(&table); return windows; } /* *---------------------------------------------------------------------- * * TkWmRestackToplevel -- * * This procedure restacks a top-level window. * * Results: * None. * * Side effects: * WinPtr gets restacked as specified by aboveBelow and otherPtr. * This procedure doesn't return until the restack has taken * effect and the ConfigureNotify event for it has been received. * *---------------------------------------------------------------------- */ void TkWmRestackToplevel(winPtr, aboveBelow, otherPtr) TkWindow *winPtr; /* Window to restack. */ int aboveBelow; /* Gives relative position for restacking; * must be Above or Below. */ TkWindow *otherPtr; /* Window relative to which to restack; * if NULL, then winPtr gets restacked * above or below *all* siblings. */ { HWND hwnd, insertAfter; /* * Can't set stacking order properly until the window is on the * screen (mapping it may give it a reparent window). */ if (winPtr->window == None) { Tk_MakeWindowExist((Tk_Window) winPtr); } if (winPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) { TkWmMapWindow(winPtr); } hwnd = (winPtr->wmInfoPtr->wrapper != NULL) ? winPtr->wmInfoPtr->wrapper : Tk_GetHWND(winPtr->window); if (otherPtr != NULL) { if (otherPtr->window == None) { Tk_MakeWindowExist((Tk_Window) otherPtr); } if (otherPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) { TkWmMapWindow(otherPtr); } insertAfter = (otherPtr->wmInfoPtr->wrapper != NULL) ? otherPtr->wmInfoPtr->wrapper : Tk_GetHWND(otherPtr->window); } else { insertAfter = NULL; } TkWinSetWindowPos(hwnd, insertAfter, aboveBelow); } /* *---------------------------------------------------------------------- * * TkWmAddToColormapWindows -- * * This procedure is called to add a given window to the * WM_COLORMAP_WINDOWS property for its top-level, if it * isn't already there. It is invoked by the Tk code that * creates a new colormap, in order to make sure that colormap * information is propagated to the window manager by default. * * Results: * None. * * Side effects: * WinPtr's window gets added to the WM_COLORMAP_WINDOWS * property of its nearest top-level ancestor, unless the * colormaps have been set explicitly with the * "wm colormapwindows" command. * *---------------------------------------------------------------------- */ void TkWmAddToColormapWindows(winPtr) TkWindow *winPtr; /* Window with a non-default colormap. * Should not be a top-level window. */ { TkWindow *topPtr; TkWindow **oldPtr, **newPtr; int count, i; if (winPtr->window == None) { return; } for (topPtr = winPtr->parentPtr; ; topPtr = topPtr->parentPtr) { if (topPtr == NULL) { /* * Window is being deleted. Skip the whole operation. */ return; } if (topPtr->flags & TK_TOP_HIERARCHY) { break; } } if (topPtr->wmInfoPtr == NULL) { return; } if (topPtr->wmInfoPtr->flags & WM_COLORMAPS_EXPLICIT) { return; } /* * Make sure that the window isn't already in the list. */ count = topPtr->wmInfoPtr->cmapCount; oldPtr = topPtr->wmInfoPtr->cmapList; for (i = 0; i < count; i++) { if (oldPtr[i] == winPtr) { return; } } /* * Make a new bigger array and use it to reset the property. * Automatically add the toplevel itself as the last element * of the list. */ newPtr = (TkWindow **) ckalloc((unsigned) ((count+2)*sizeof(TkWindow*))); if (count > 0) { memcpy(newPtr, oldPtr, count * sizeof(TkWindow*)); } if (count == 0) { count++; } newPtr[count-1] = winPtr; newPtr[count] = topPtr; if (oldPtr != NULL) { ckfree((char *) oldPtr); } topPtr->wmInfoPtr->cmapList = newPtr; topPtr->wmInfoPtr->cmapCount = count+1; /* * Now we need to force the updated colormaps to be installed. */ if (topPtr->wmInfoPtr == winPtr->dispPtr->foregroundWmPtr) { InstallColormaps(topPtr->wmInfoPtr->wrapper, WM_QUERYNEWPALETTE, 1); } else { InstallColormaps(topPtr->wmInfoPtr->wrapper, WM_PALETTECHANGED, 0); } } /* *---------------------------------------------------------------------- * * TkWmRemoveFromColormapWindows -- * * This procedure is called to remove a given window from the * WM_COLORMAP_WINDOWS property for its top-level. It is invoked * when windows are deleted. * * Results: * None. * * Side effects: * WinPtr's window gets removed from the WM_COLORMAP_WINDOWS * property of its nearest top-level ancestor, unless the * top-level itself is being deleted too. * *---------------------------------------------------------------------- */ void TkWmRemoveFromColormapWindows(winPtr) TkWindow *winPtr; /* Window that may be present in * WM_COLORMAP_WINDOWS property for its * top-level. Should not be a top-level * window. */ { TkWindow *topPtr; TkWindow **oldPtr; int count, i, j; for (topPtr = winPtr->parentPtr; ; topPtr = topPtr->parentPtr) { if (topPtr == NULL) { /* * Ancestors have been deleted, so skip the whole operation. * Seems like this can't ever happen? */ return; } if (topPtr->flags & TK_TOP_LEVEL) { break; } } if (topPtr->flags & TK_ALREADY_DEAD) { /* * Top-level is being deleted, so there's no need to cleanup * the WM_COLORMAP_WINDOWS property. */ return; } if (topPtr->wmInfoPtr == NULL) { return; } /* * Find the window and slide the following ones down to cover * it up. */ count = topPtr->wmInfoPtr->cmapCount; oldPtr = topPtr->wmInfoPtr->cmapList; for (i = 0; i < count; i++) { if (oldPtr[i] == winPtr) { for (j = i ; j < count-1; j++) { oldPtr[j] = oldPtr[j+1]; } topPtr->wmInfoPtr->cmapCount = count-1; break; } } } /* *---------------------------------------------------------------------- * * TkWinSetMenu-- * * Associcates a given HMENU to a window. * * Results: * None. * * Side effects: * The menu will end up being drawn in the window, and the geometry * of the window will have to be changed. * *---------------------------------------------------------------------- */ void TkWinSetMenu(tkwin, hMenu) Tk_Window tkwin; /* the window to put the menu in */ HMENU hMenu; /* the menu to set */ { TkWindow *winPtr = (TkWindow *) tkwin; WmInfo *wmPtr = winPtr->wmInfoPtr; wmPtr->hMenu = hMenu; if (!(wmPtr->flags & TK_EMBEDDED)) { if (!(wmPtr->flags & WM_NEVER_MAPPED)) { int syncPending = wmPtr->flags & WM_SYNC_PENDING; wmPtr->flags |= WM_SYNC_PENDING; SetMenu(wmPtr->wrapper, hMenu); if (!syncPending) { wmPtr->flags &= ~WM_SYNC_PENDING; } } if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr); wmPtr->flags |= WM_UPDATE_PENDING|WM_MOVE_PENDING; } } } /* *---------------------------------------------------------------------- * * ConfigureTopLevel -- * * Generate a ConfigureNotify event based on the current position * information. This procedure is called by TopLevelProc. * * Results: * None. * * Side effects: * Queues a new event. * *---------------------------------------------------------------------- */ static void ConfigureTopLevel(pos) WINDOWPOS *pos; { TkWindow *winPtr = GetTopLevel(pos->hwnd); WmInfo *wmPtr; int state; /* Current window state. */ RECT rect; WINDOWPLACEMENT windowPos; if (winPtr == NULL) { return; } wmPtr = winPtr->wmInfoPtr; /* * Determine the current window state. */ if (!IsWindowVisible(wmPtr->wrapper)) { state = WithdrawnState; } else { windowPos.length = sizeof(WINDOWPLACEMENT); GetWindowPlacement(wmPtr->wrapper, &windowPos); switch (windowPos.showCmd) { case SW_SHOWMAXIMIZED: state = ZoomState; break; case SW_SHOWMINIMIZED: state = IconicState; break; case SW_SHOWNORMAL: state = NormalState; break; } } /* * If the state of the window just changed, be sure to update the * child window information. */ if (wmPtr->hints.initial_state != state) { wmPtr->hints.initial_state = state; switch (state) { case WithdrawnState: case IconicState: XUnmapWindow(winPtr->display, winPtr->window); break; case NormalState: /* * Schedule a geometry update. Since we ignore geometry * requests while in any other state, the geometry info * may be stale. */ if (!(wmPtr->flags & WM_UPDATE_PENDING)) { Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } /* fall through */ case ZoomState: XMapWindow(winPtr->display, winPtr->window); pos->flags |= SWP_NOMOVE | SWP_NOSIZE; break; } } /* * Don't report geometry changes in the Iconic or Withdrawn states. */ if (state == WithdrawnState || state == IconicState) { return; } /* * Compute the current geometry of the client area, reshape the * Tk window and generate a ConfigureNotify event. */ GetClientRect(wmPtr->wrapper, &rect); winPtr->changes.x = pos->x; winPtr->changes.y = pos->y; winPtr->changes.width = rect.right - rect.left; winPtr->changes.height = rect.bottom - rect.top; wmPtr->borderHeight = pos->cy - winPtr->changes.height; MoveWindow(Tk_GetHWND(winPtr->window), 0, 0, winPtr->changes.width, winPtr->changes.height, TRUE); GenerateConfigureNotify(winPtr); /* * Update window manager geometry info if needed. */ if (state == NormalState) { /* * Update size information from the event. There are a couple of * tricky points here: * * 1. If the user changed the size externally then set wmPtr->width * and wmPtr->height just as if a "wm geometry" command had been * invoked with the same information. * 2. However, if the size is changing in response to a request * coming from us (sync is set), then don't set * wmPtr->width or wmPtr->height (otherwise the window will stop * tracking geometry manager requests). */ if (!(wmPtr->flags & WM_SYNC_PENDING)) { if (!(pos->flags & SWP_NOSIZE)) { if ((wmPtr->width == -1) && (winPtr->changes.width == winPtr->reqWidth)) { /* * Don't set external width, since the user didn't * change it from what the widgets asked for. */ } else { if (wmPtr->gridWin != NULL) { wmPtr->width = wmPtr->reqGridWidth + (winPtr->changes.width - winPtr->reqWidth) / wmPtr->widthInc; if (wmPtr->width < 0) { wmPtr->width = 0; } } else { wmPtr->width = winPtr->changes.width; } } if ((wmPtr->height == -1) && (winPtr->changes.height == winPtr->reqHeight)) { /* * Don't set external height, since the user didn't change * it from what the widgets asked for. */ } else { if (wmPtr->gridWin != NULL) { wmPtr->height = wmPtr->reqGridHeight + (winPtr->changes.height - winPtr->reqHeight) / wmPtr->heightInc; if (wmPtr->height < 0) { wmPtr->height = 0; } } else { wmPtr->height = winPtr->changes.height; } } wmPtr->configWidth = winPtr->changes.width; wmPtr->configHeight = winPtr->changes.height; } /* * If the user moved the window, we should switch back * to normal coordinates. */ if (!(pos->flags & SWP_NOMOVE)) { wmPtr->flags &= ~(WM_NEGATIVE_X | WM_NEGATIVE_Y); } } /* * Update the wrapper window location information. */ if (wmPtr->flags & WM_NEGATIVE_X) { wmPtr->x = DisplayWidth(winPtr->display, winPtr->screenNum) - winPtr->changes.x - (winPtr->changes.width + wmPtr->borderWidth); } else { wmPtr->x = winPtr->changes.x; } if (wmPtr->flags & WM_NEGATIVE_Y) { wmPtr->y = DisplayHeight(winPtr->display, winPtr->screenNum) - winPtr->changes.y - (winPtr->changes.height + wmPtr->borderHeight); } else { wmPtr->y = winPtr->changes.y; } } } /* *---------------------------------------------------------------------- * * GenerateConfigureNotify -- * * Generate a ConfigureNotify event from the current geometry * information for the specified toplevel window. * * Results: * None. * * Side effects: * Sends an X event. * *---------------------------------------------------------------------- */ static void GenerateConfigureNotify(winPtr) TkWindow *winPtr; { XEvent event; /* * Generate a ConfigureNotify event. */ event.type = ConfigureNotify; event.xconfigure.serial = winPtr->display->request; event.xconfigure.send_event = False; event.xconfigure.display = winPtr->display; event.xconfigure.event = winPtr->window; event.xconfigure.window = winPtr->window; event.xconfigure.border_width = winPtr->changes.border_width; event.xconfigure.override_redirect = winPtr->atts.override_redirect; event.xconfigure.x = winPtr->changes.x; event.xconfigure.y = winPtr->changes.y; event.xconfigure.width = winPtr->changes.width; event.xconfigure.height = winPtr->changes.height; event.xconfigure.above = None; Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL); } /* *---------------------------------------------------------------------- * * InstallColormaps -- * * Installs the colormaps associated with the toplevel which is * currently active. * * Results: * None. * * Side effects: * May change the system palette and generate damage. * *---------------------------------------------------------------------- */ static int InstallColormaps(hwnd, message, isForemost) HWND hwnd; /* Toplevel wrapper window whose colormaps * should be installed. */ int message; /* Either WM_PALETTECHANGED or * WM_QUERYNEWPALETTE */ int isForemost; /* 1 if window is foremost, else 0 */ { int i; HDC dc; HPALETTE oldPalette; TkWindow *winPtr = GetTopLevel(hwnd); WmInfo *wmPtr; ThreadSpecificData *tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (winPtr == NULL) { return 0; } wmPtr = winPtr->wmInfoPtr; if (message == WM_QUERYNEWPALETTE) { /* * Case 1: This window is about to become the foreground window, so we * need to install the primary palette. If the system palette was * updated, then Windows will generate a WM_PALETTECHANGED message. * Otherwise, we have to synthesize one in order to ensure that the * secondary palettes are installed properly. */ winPtr->dispPtr->foregroundWmPtr = wmPtr; if (wmPtr->cmapCount > 0) { winPtr = wmPtr->cmapList[0]; } tsdPtr->systemPalette = TkWinGetPalette(winPtr->atts.colormap); dc = GetDC(hwnd); oldPalette = SelectPalette(dc, tsdPtr->systemPalette, FALSE); if (RealizePalette(dc)) { RefreshColormap(winPtr->atts.colormap, winPtr->dispPtr); } else if (wmPtr->cmapCount > 1) { SelectPalette(dc, oldPalette, TRUE); RealizePalette(dc); ReleaseDC(hwnd, dc); SendMessage(hwnd, WM_PALETTECHANGED, (WPARAM)hwnd, (LPARAM)NULL); return TRUE; } } else { /* * Window is being notified of a change in the system palette. * If this window is the foreground window, then we should only * install the secondary palettes, since the primary was installed * in response to the WM_QUERYPALETTE message. Otherwise, install * all of the palettes. */ if (!isForemost) { if (wmPtr->cmapCount > 0) { winPtr = wmPtr->cmapList[0]; } i = 1; } else { if (wmPtr->cmapCount <= 1) { return TRUE; } winPtr = wmPtr->cmapList[1]; i = 2; } dc = GetDC(hwnd); oldPalette = SelectPalette(dc, TkWinGetPalette(winPtr->atts.colormap), TRUE); if (RealizePalette(dc)) { RefreshColormap(winPtr->atts.colormap, winPtr->dispPtr); } for (; i < wmPtr->cmapCount; i++) { winPtr = wmPtr->cmapList[i]; SelectPalette(dc, TkWinGetPalette(winPtr->atts.colormap), TRUE); if (RealizePalette(dc)) { RefreshColormap(winPtr->atts.colormap, winPtr->dispPtr); } } } SelectPalette(dc, oldPalette, TRUE); RealizePalette(dc); ReleaseDC(hwnd, dc); return TRUE; } /* *---------------------------------------------------------------------- * * RefreshColormap -- * * This function is called to force all of the windows that use * a given colormap to redraw themselves. The quickest way to * do this is to iterate over the toplevels, looking in the * cmapList for matches. This will quickly eliminate subtrees * that don't use a given colormap. * * Results: * None. * * Side effects: * Causes damage events to be generated. * *---------------------------------------------------------------------- */ static void RefreshColormap(colormap, dispPtr) Colormap colormap; TkDisplay *dispPtr; { WmInfo *wmPtr; int i; for (wmPtr = dispPtr->firstWmPtr; wmPtr != NULL; wmPtr = wmPtr->nextPtr) { if (wmPtr->cmapCount > 0) { for (i = 0; i < wmPtr->cmapCount; i++) { if ((wmPtr->cmapList[i]->atts.colormap == colormap) && Tk_IsMapped(wmPtr->cmapList[i])) { InvalidateSubTree(wmPtr->cmapList[i], colormap); } } } else if ((wmPtr->winPtr->atts.colormap == colormap) && Tk_IsMapped(wmPtr->winPtr)) { InvalidateSubTree(wmPtr->winPtr, colormap); } } } /* *---------------------------------------------------------------------- * * InvalidateSubTree -- * * This function recursively generates damage for a window and * all of its mapped children that belong to the same toplevel and * are using the specified colormap. * * Results: * None. * * Side effects: * Generates damage for the specified subtree. * *---------------------------------------------------------------------- */ static void InvalidateSubTree(winPtr, colormap) TkWindow *winPtr; Colormap colormap; { TkWindow *childPtr; /* * Generate damage for the current window if it is using the * specified colormap. */ if (winPtr->atts.colormap == colormap) { InvalidateRect(Tk_GetHWND(winPtr->window), NULL, FALSE); } for (childPtr = winPtr->childList; childPtr != NULL; childPtr = childPtr->nextPtr) { /* * We can stop the descent when we hit an unmapped or * toplevel window. */ if (!Tk_TopWinHierarchy(childPtr) && Tk_IsMapped(childPtr)) { InvalidateSubTree(childPtr, colormap); } } } /* *---------------------------------------------------------------------- * * TkWinGetSystemPalette -- * * Retrieves the currently installed foreground palette. * * Results: * Returns the global foreground palette, if there is one. * Otherwise, returns NULL. * * Side effects: * None. * *---------------------------------------------------------------------- */ HPALETTE TkWinGetSystemPalette() { ThreadSpecificData *tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); return tsdPtr->systemPalette; } /* *---------------------------------------------------------------------- * * GetMinSize -- * * This procedure computes the current minWidth and minHeight * values for a window, taking into account the possibility * that they may be defaulted. * * Results: * The values at *minWidthPtr and *minHeightPtr are filled * in with the minimum allowable dimensions of wmPtr's window, * in grid units. If the requested minimum is smaller than the * system required minimum, then this procedure computes the * smallest size that will satisfy both the system and the * grid constraints. * * Side effects: * None. * *---------------------------------------------------------------------- */ static void GetMinSize(wmPtr, minWidthPtr, minHeightPtr) WmInfo *wmPtr; /* Window manager information for the * window. */ int *minWidthPtr; /* Where to store the current minimum * width of the window. */ int *minHeightPtr; /* Where to store the current minimum * height of the window. */ { int tmp, base; TkWindow *winPtr = wmPtr->winPtr; /* * Compute the minimum width by taking the default client size * and rounding it up to the nearest grid unit. Return the greater * of the default minimum and the specified minimum. */ tmp = wmPtr->defMinWidth - wmPtr->borderWidth; if (tmp < 0) { tmp = 0; } if (wmPtr->gridWin != NULL) { base = winPtr->reqWidth - (wmPtr->reqGridWidth * wmPtr->widthInc); if (base < 0) { base = 0; } tmp = ((tmp - base) + wmPtr->widthInc - 1)/wmPtr->widthInc; } if (tmp < wmPtr->minWidth) { tmp = wmPtr->minWidth; } *minWidthPtr = tmp; /* * Compute the minimum height in a similar fashion. */ tmp = wmPtr->defMinHeight - wmPtr->borderHeight; if (tmp < 0) { tmp = 0; } if (wmPtr->gridWin != NULL) { base = winPtr->reqHeight - (wmPtr->reqGridHeight * wmPtr->heightInc); if (base < 0) { base = 0; } tmp = ((tmp - base) + wmPtr->heightInc - 1)/wmPtr->heightInc; } if (tmp < wmPtr->minHeight) { tmp = wmPtr->minHeight; } *minHeightPtr = tmp; } /* *---------------------------------------------------------------------- * * GetMaxSize -- * * This procedure computes the current maxWidth and maxHeight * values for a window, taking into account the possibility * that they may be defaulted. * * Results: * The values at *maxWidthPtr and *maxHeightPtr are filled * in with the maximum allowable dimensions of wmPtr's window, * in grid units. If no maximum has been specified for the * window, then this procedure computes the largest sizes that * will fit on the screen. * * Side effects: * None. * *---------------------------------------------------------------------- */ static void GetMaxSize(wmPtr, maxWidthPtr, maxHeightPtr) WmInfo *wmPtr; /* Window manager information for the * window. */ int *maxWidthPtr; /* Where to store the current maximum * width of the window. */ int *maxHeightPtr; /* Where to store the current maximum * height of the window. */ { int tmp; if (wmPtr->maxWidth > 0) { *maxWidthPtr = wmPtr->maxWidth; } else { /* * Must compute a default width. Fill up the display, leaving a * bit of extra space for the window manager's borders. */ tmp = wmPtr->defMaxWidth - wmPtr->borderWidth; if (wmPtr->gridWin != NULL) { /* * Gridding is turned on; convert from pixels to grid units. */ tmp = wmPtr->reqGridWidth + (tmp - wmPtr->winPtr->reqWidth)/wmPtr->widthInc; } *maxWidthPtr = tmp; } if (wmPtr->maxHeight > 0) { *maxHeightPtr = wmPtr->maxHeight; } else { tmp = wmPtr->defMaxHeight - wmPtr->borderHeight; if (wmPtr->gridWin != NULL) { tmp = wmPtr->reqGridHeight + (tmp - wmPtr->winPtr->reqHeight)/wmPtr->heightInc; } *maxHeightPtr = tmp; } } /* *---------------------------------------------------------------------- * * TopLevelProc -- * * Callback from Windows whenever an event occurs on a top level * window. * * Results: * Standard Windows return value. * * Side effects: * Default window behavior. * *---------------------------------------------------------------------- */ static LRESULT CALLBACK TopLevelProc(hwnd, message, wParam, lParam) HWND hwnd; UINT message; WPARAM wParam; LPARAM lParam; { if (message == WM_WINDOWPOSCHANGED) { WINDOWPOS *pos = (WINDOWPOS *) lParam; TkWindow *winPtr = (TkWindow *) Tk_HWNDToWindow(pos->hwnd); if (winPtr == NULL) { return 0; } /* * Update the shape of the contained window. */ if (!(pos->flags & SWP_NOSIZE)) { winPtr->changes.width = pos->cx; winPtr->changes.height = pos->cy; } if (!(pos->flags & SWP_NOMOVE)) { winPtr->changes.x = pos->x; winPtr->changes.y = pos->y; } GenerateConfigureNotify(winPtr); Tcl_ServiceAll(); return 0; } return TkWinChildProc(hwnd, message, wParam, lParam); } /* *---------------------------------------------------------------------- * * WmProc -- * * Callback from Windows whenever an event occurs on the decorative * frame. * * Results: * Standard Windows return value. * * Side effects: * Default window behavior. * *---------------------------------------------------------------------- */ static LRESULT CALLBACK WmProc(hwnd, message, wParam, lParam) HWND hwnd; UINT message; WPARAM wParam; LPARAM lParam; { static int inMoveSize = 0; static int oldMode; /* This static is set upon entering move/size mode * and is used to reset the service mode after * leaving move/size mode. Note that this mechanism * assumes move/size is only one level deep. */ LRESULT result; TkWindow *winPtr = NULL; if (TkWinHandleMenuEvent(&hwnd, &message, &wParam, &lParam, &result)) { goto done; } switch (message) { case WM_KILLFOCUS: case WM_ERASEBKGND: result = 0; goto done; case WM_ENTERSIZEMOVE: inMoveSize = 1; /* * Cancel any current mouse timer. If the mouse timer * fires during the size/move mouse capture, it will * release the capture, which is wrong. */ TkWinCancelMouseTimer(); oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL); break; case WM_ACTIVATE: case WM_EXITSIZEMOVE: if (inMoveSize) { inMoveSize = 0; Tcl_SetServiceMode(oldMode); } break; case WM_GETMINMAXINFO: SetLimits(hwnd, (MINMAXINFO *) lParam); result = 0; goto done; case WM_PALETTECHANGED: result = InstallColormaps(hwnd, WM_PALETTECHANGED, hwnd == (HWND)wParam); goto done; case WM_QUERYNEWPALETTE: result = InstallColormaps(hwnd, WM_QUERYNEWPALETTE, TRUE); goto done; case WM_WINDOWPOSCHANGED: ConfigureTopLevel((WINDOWPOS *) lParam); result = 0; goto done; case WM_NCHITTEST: { winPtr = GetTopLevel(hwnd); if (winPtr && (TkGrabState(winPtr) == TK_GRAB_EXCLUDED)) { /* * This window is outside the grab heirarchy, so don't let any * of the normal non-client processing occur. Note that this * implementation is not strictly correct because the grab * might change between now and when the event would have been * processed by Tk, but it's close enough. */ result = HTCLIENT; goto done; } break; } case WM_MOUSEACTIVATE: { ActivateEvent *eventPtr; winPtr = GetTopLevel((HWND) wParam); if (winPtr && (TkGrabState(winPtr) != TK_GRAB_EXCLUDED)) { /* * This allows us to pass the message onto the * native menus [Bug: 2272] */ result = (*tkWinProcs->defWindowProc)(hwnd, message, wParam, lParam); goto done; } /* * Don't activate the window yet since there is a grab * that takes precedence. Instead we need to queue * an event so we can check the grab state right before we * handle the mouse event. */ if (winPtr) { eventPtr = (ActivateEvent *)ckalloc(sizeof(ActivateEvent)); eventPtr->ev.proc = ActivateWindow; eventPtr->winPtr = winPtr; Tcl_QueueEvent((Tcl_Event*)eventPtr, TCL_QUEUE_TAIL); } result = MA_NOACTIVATE; goto done; } default: break; } winPtr = GetTopLevel(hwnd); if (winPtr && winPtr->window) { HWND child = Tk_GetHWND(winPtr->window); if (message == WM_SETFOCUS) { SetFocus(child); result = 0; } else if (!Tk_TranslateWinEvent(child, message, wParam, lParam, &result)) { result = (*tkWinProcs->defWindowProc)(hwnd, message, wParam, lParam); } } else { result = (*tkWinProcs->defWindowProc)(hwnd, message, wParam, lParam); } done: Tcl_ServiceAll(); return result; } /* *---------------------------------------------------------------------- * * TkpMakeMenuWindow -- * * Configure the window to be either a pull-down (or pop-up) * menu, or as a toplevel (torn-off) menu or palette. * * Results: * None. * * Side effects: * Changes the style bit used to create a new toplevel. * *---------------------------------------------------------------------- */ void TkpMakeMenuWindow(tkwin, transient) Tk_Window tkwin; /* New window. */ int transient; /* 1 means menu is only posted briefly as * a popup or pulldown or cascade. 0 means * menu is always visible, e.g. as a torn-off * menu. Determines whether save_under and * override_redirect should be set. */ { XSetWindowAttributes atts; if (transient) { atts.override_redirect = True; atts.save_under = True; } else { atts.override_redirect = False; atts.save_under = False; } if ((atts.override_redirect != Tk_Attributes(tkwin)->override_redirect) || (atts.save_under != Tk_Attributes(tkwin)->save_under)) { Tk_ChangeWindowAttributes(tkwin, CWOverrideRedirect|CWSaveUnder, &atts); } } /* *---------------------------------------------------------------------- * * TkWinGetWrapperWindow -- * * Gets the Windows HWND for a given window. * * Results: * Returns the wrapper window for a Tk window. * * Side effects: * None. * *---------------------------------------------------------------------- */ HWND TkWinGetWrapperWindow( Tk_Window tkwin) /* The window we need the wrapper from */ { TkWindow *winPtr = (TkWindow *)tkwin; return (winPtr->wmInfoPtr->wrapper); } /* *---------------------------------------------------------------------- * * TkWmFocusToplevel -- * * This is a utility procedure invoked by focus-management code. It * exists because of the extra wrapper windows that exist under * Unix; its job is to map from wrapper windows to the * corresponding toplevel windows. On PCs and Macs there are no * wrapper windows so no mapping is necessary; this procedure just * determines whether a window is a toplevel or not. * * Results: * If winPtr is a toplevel window, returns the pointer to the * window; otherwise returns NULL. * * Side effects: * None. * *---------------------------------------------------------------------- */ TkWindow * TkWmFocusToplevel(winPtr) TkWindow *winPtr; /* Window that received a focus-related * event. */ { if (!(winPtr->flags & TK_TOP_HIERARCHY)) { return NULL; } return winPtr; } /* *---------------------------------------------------------------------- * * TkpGetWrapperWindow -- * * This is a utility procedure invoked by focus-management code. It * maps to the wrapper for a top-level, which is just the same * as the top-level on Macs and PCs. * * Results: * If winPtr is a toplevel window, returns the pointer to the * window; otherwise returns NULL. * * Side effects: * None. * *---------------------------------------------------------------------- */ TkWindow * TkpGetWrapperWindow( TkWindow *winPtr) /* Window that received a focus-related * event. */ { if (!(winPtr->flags & TK_TOP_HIERARCHY)) { return NULL; } return winPtr; } /* *---------------------------------------------------------------------- * * ActivateWindow -- * * This function is called when an ActivateEvent is processed. * * Results: * Returns 1 to indicate that the event was handled, else 0. * * Side effects: * May activate the toplevel window associated with the event. * *---------------------------------------------------------------------- */ static int ActivateWindow( Tcl_Event *evPtr, /* Pointer to ActivateEvent. */ int flags) /* Notifier event mask. */ { TkWindow *winPtr; if (! (flags & TCL_WINDOW_EVENTS)) { return 0; } winPtr = ((ActivateEvent *) evPtr)->winPtr; /* * Ensure that the window is not excluded by a grab. */ if (winPtr && (TkGrabState(winPtr) != TK_GRAB_EXCLUDED)) { SetFocus(Tk_GetHWND(winPtr->window)); } return 1; } /* *---------------------------------------------------------------------- * * TkWinSetForegroundWindow -- * * This function is a wrapper for SetForegroundWindow, calling * it on the wrapper window because it has no affect on child * windows. * * Results: * none * * Side effects: * May activate the toplevel window. * *---------------------------------------------------------------------- */ void TkWinSetForegroundWindow(winPtr) TkWindow *winPtr; { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (wmPtr->wrapper != NULL) { SetForegroundWindow(wmPtr->wrapper); } else { SetForegroundWindow(Tk_GetHWND(winPtr->window)); } }